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ï106 ÒáãĂ öĀøãñìŝ ēçą ÞĀç Ċåûï 11. 40 + 60 = ...................................................................................... 12. ( 20 + ( 50 = ...................................................................................... 13. ( 17 + ( 13 = ...................................................................................... 14. ( 343 + ( 120 = ...................................................................................... 15. 579 + 143 = ...................................................................................... 16. 1049 + 378 = ...................................................................................... 17. ( 789 + ( 399 = ...................................................................................... 18. ( 1243 + ( 394 = ...................................................................................... 19. ( 4936 + ( 7989 = ...................................................................................... 20. (5846 + (8936 = ...................................................................................... . ĵ¬¹ÛÄ«¹«Î§³Õ ©Ç³Ö ÎÇ µ¿ÉÖ ½³Ä´§fÄ«Ã 2.1 µ¥Ç©ÇÖ ÛÄ«¹«Î§Õ³¬¹³Ç fļó¬Ëµ¥³ ĹÄf ѽg«ÛÄfļó¬Ëµ¥¿ÛÄ«¹«Î§Õ³¬¹ ·¬¦g¹´fļó¬Ëµ¥¿ÛÄ«¹«Î§Õ³·¬ Ï·g¹§¿¬D#đ! ÄÛ «¹«Î§Õ³¬¹ Îf« 18 + ( 5 = Äf ¼Ã³¬Ëµ¥ ¿ 18 Äf ¼³Ã ¬Ëµ¥ ¿ ( 5 = 18 5 18 + ( 5 = 13 (§¿¬D#đ!ÄÛ «¹«Î§³Õ ¬¹ 2.2 µ¥Ç©ÖÇ ÄÛ «¹«Î§Õ³·¬³ÇÄf ¼³Ã ¬µË ³Ä¹Äf ѽg«ÛÄfļó¬Ëµ¥¿ÛÄ«¹«Î§Õ³·¬ ·¬¦g¹´fļó¬Ëµ¥¿ÛĹ«Î§Õ³¬¹ Ï·g¹§¿¬D#đ!ÛÄ«¹« Χ³Õ ·¬ Ϋf ( 8 + 5 = Äf ¼Ã³¬µË ¥¿ ( 8 fļó¬Ëµ¥ ¿ (5 = 8 5 ( 8 + 5 = 3 (§¿¬D#đ!ÄÛ «¹«Î§Õ³·¬
ñþèèÖĀė çõçĊãïđ 107 ¿g μ«¿ ¨gÄÛÄ«¹«Î§Õ³¬¹ ѽg ƦD#đ!³ÇÎ«Æ , Ò¦µg ìÎÆ« ÄÛ «¹«Î§Õ³·¬ ѽg ¦Æ D#đ!fÄ´Î«Æ , §¦Æ ½«×Ç (§Æ¦·¬ Âν«Õ ¹fÄ 18 + ( 5 ½³Ä´¨È ³ÎÇ Æ« 18 ¬Ä© fÄ´ÎÆ«Ò 5 ¬Ä© ? Âν·¿É Î«Æ 18 5 = 13 ¬Ä© ( 8 + 5 ½³Ä´¨È §g¿Äf ´ÎÆ« 8 ¬Ä© ϧ³f ÇÎÆ« 5 ¬Ä© ? §¿g §¦Æ ½«Ç× 3 ¬Ä© 8 + 5 = 3 8 + ( 5 ½³Ä´¨È §¿g fÄ´Î«Æ 8 ¬Ä© Ï·ÂfÄ´¿Ç 5 ¬Ä© ? §¿g §Æ¦½«Ç× 13 ¬Ä© 8 + ( 5 = 13 §Ã¹¿´Äf ©ÖÇ ½Ä®··°Ã ª¿ÄÛ «¹«§¿f Ò«Ç× 1. 10 + ( 3 = .................................. 16. 3 + 10 = .................................. 2. 10 + ( 5 = .................................. 17. 5 + 10 = .................................. 3. 12 + ( 20 = .................................. 18. 20 + 12 = .................................. 4. 15 + (20 = .................................. 19. 20 + 15 = .................................. 5. 8 + ( 2 = .................................. 20. 2 + 8 = .................................. 6. 14 + ( 8 = .................................. 21. 8 + 14 = .................................. 7. 20 + ( 15 = .................................. 22. 15 + 20 = .................................. 8. 20 + ( 32 = .................................. 23. 32 + 20 = .................................. 9. 48 + ( 17 = .................................. 24. 17 + 48 = .................................. 10. 147 + ( 200 = .................................. 25. 200 + 147 = .................................. 11. 100 + ( 112 = .................................. 26. 112 + 90 = .................................. 12. 215 + ( 80 = .................................. 27. 80 + 115 = .................................. 13. 150 + ( 30 = .................................. 28. 30 + 100 = .................................. 14. 348 + ( 500 = .................................. 29. 500 + 173 = .................................. 15. 274 + ( 400 = .................................. 30. 400 + 118 = ..................................
ï108 ÒáãĂ öĀøãñŝìąēçÞĀç Ċåûï 31. 378 + ( 994 = .................................. 36. 994 + 248 = .................................. 32. 549 + ( 273 = .................................. 37. 270 + 500 = .................................. 33. 1039 + ( 477 = .................................. 38. 450 + 1000 = .................................. 34. 1200 + ( 1589 = .................................. 39. 1500 + 1200 = .................................. 35. 3847 + ( 5000 = .................................. 40. 5000 + 1000 = .................................. ¿g ¼Ã Χ 10 + ( 3 Âνի¹fÄ 10 ³ÎÇ µÉÖ¿½³Ä´D#đ!¬¹ 3 ³ÇÎµÖ¿É ½³Ä´D#đ!·¬ ¦Ã««×à ¨gÄ«ÛÄ 3 ³ÄÒ¹g½«gÄÂD#đ! 3 + 10 ÈÖ´à ³®Ç ··Ã°ªÎ©Äf Φ³Æ (§Ä³¼³¬§Ã Æ Äµ¼·Ã¬©ÇÖĵ¬¹ ¬¿Îµ¿ÉÖ ½³Ä´¿ÄÛ «¹«Î§Õ³Ï§·f ÂÛÄ«¹« 1. 5 3 + 2 5 ³Çε¿ÖÉ ½³Ä´ ¬¹ 3 ³ÇÎµÖ¿É ½³Ä´ ·¬ 2 ³ÎÇ µ¿ÖÉ ½³Ä´ ¬¹ 2. 5 3 + 10 5 ³ÎÇ µÉ¿Ö ½³Ä´ .................................. 3 ³ÎÇ µ¿ÖÉ ½³Ä´ .................................. 10 ³ÇεÖÉ¿½³Ä´ ................................ 3. 8 + 4 3 + 12 8 ³ÇÎµÉ¿Ö ½³Ä´ ·¬ (Äf ´Î«Æ 4 ³ÎÇ µÖÉ¿½³Ä´ ¬¹ (³ÎÇ «Æ 3 ³ÇεÖÉ¿½³Ä´ ·¬ (Äf ´Î«Æ 12 ³ÇÎµÉ¿Ö ½³Ä´ ¬¹ (³ÎÇ «Æ ««Öà ¿É ³ÇÎÆ« 4 + 12 = 16 ¬Ä© Äf ´Î«Æ 8 3 = 11 ¬Ä© Âν·É¿ÎÆ« 16 11 = 5 ¬Ä© «ÃÖ«¿É ³ÎÇ Æ« 8 + 4 3 + 12 = 5
ñþèèÖĀė çõçĊãïđ 109 4. 7 10 + 5 9 7 ³ÎÇ µ¿ÉÖ ½³Ä´ ...................... ...................... 10 ³ÇεÖÉ¿½³Ä´ ...................... ...................... 5 ³Çε¿ÖÉ ½³Ä´ ...................... ...................... 9 ³ÇεÉÖ¿½³Ä´ ...................... ...................... «Ö«Ã ¿É ³ÇÎÆ« ............................ = ............................ ¬Ä© fÄ´ÎÆ« ............................ = ............................ ¬Ä© ? §¦Æ ½«Ç× ......................... = ............................ ¬Ä© 5. 10 3 + 15 + 8 6 §¿¬ .................................. 6. 7 10 3 + 2 + 8 §¿¬ .................................. 7. 14 (5 + 13 §¿¬ .................................. 8. 12 (8 15 §¿¬ .................................. 9. 8 5 3 2 + 6 §¿¬ .................................. 10. 10 15 18 17 20 §¿¬ .................................. ĵ¬¹ÄÛ «¹«Î§Õ³ Ц´ÑÎg ¼g«ÛÄ«¹« f¿«¿ÉÖ«§¿g ©ÄÛ ¹Ä³ÎÄg Ñf¿«¹fÄ ÄÛ «¹«Î§Õ³¬¹ Â«Ã¬Ò©Ä¹Ä (É¿©ÄÄf ³Ä Îf« 5 + 3 ÄÛ «¹«Î§Õ³·¬ «ìҩÄÄg ´ (¿É ©ÄfÄ«¿g ´ 0 1 2 3 4 5 6 7 8 9 10 ÎµÆ³Ö §«g Ä 0 «¬Ã Ò©Ä¹Ä 5 ½«f¹´ Ï·Â + 3 Ä 5 «¬Ã Ò©Ä¹Ä 3 ½«f¹´ §¿¬
ï110 ÒáĂãöĀøãñìŝ ēąçÞĀç Ċåûï Ϋf 5 + ( 3 0 1 2 3 4 5 6 7 8 9 10 ÎµÆ³Ö §g«Ä 0 «Ã¬Ò©Ä¹Ä 5 ½«f¹´ Ä 5 «Ã¬Ò©ÄÄg ´ 3 ½«f¹´ §¿¬ E\"\"% Ă 3 9 d ϼ¦Äµ¬¹ÛÄ«¹«Î§³Õ Ц´Ñgμ«g ÛÄ«¹« Ϸ½Į··°Ã ª 1. 8 + ( 3 0 1 2 3 4 5 6 7 8 9 10 ®··°Ã ª ¿É 2. 10 + ( 7 0 1 2 3 4 5 6 7 8 9 10 ®··Ã°ª É¿ 3. 8 5 0 1 2 3 4 5 6 7 8 9 10 ®··°Ã ª É¿ 4. 10 2 0 1 2 3 4 5 6 7 8 9 10 ®··°Ã ª ¿É
ñþèèÖĀė çõçĊãïđ 111 5. 7 + ( 10 4 3 2 1 0 1 2 3 4 5 6 7 8 9 ®··°Ã ª¿É 05 6. 3 + 7 ®··°Ã ª ¿É 0 5 10 7. 2 + 8 0123456789 ®··Ã°ª¿É 10 5 0 8. 5 + 5 ®··°Ã ª¿É 10 5 0 9. 8 + 3 10 5 0 ®··Ã°ª É¿ 10 5 0 10. 7 + 5 ®··°Ã ª ¿É 10 5 0 11. 3 2 ®··Ã°ªÉ¿ 12. 5 + ( 3 ®··Ã°ªÉ¿ 13. 8 + ( 2 ®··°Ã ª¿É
ï112 ÒáãĂ öĀøãñŝìąçē ÞĀç Ċåûï 14. 8 2 10 5 0 ®··°Ã ªÉ¿ 15. ( 2 + ( 3 + ( 1 10 5 0 ®··Ã°ª¿É . ĵ·¬ÄÛ «¹«Î§Õ³ εĿĺôĵ·¬§Ä³¿g §·¦Ã «Ç× §¹Ã §×à - §¹Ã ·¬ §Ã¹§Ã× ÄÛ «¹«§µÄg ³¿§Ã¹·¬ Ϋf 15 (5 = 15 + (ÄÛ «¹«§µgij¿ 5 = 15 + ( 5 = 10 15 + (ÄÛ «¹«§µgij¿ 5 15 ( 5 = 15 + (5 = 20 = 15 + (ÛÄ«¹«§µgij¿ 5 15 + ( 5 15 (5 = 20 = 15 + (ÛÄ«¹«§µÄg ³¿ 5 = 15 + (5 10 15 ( 5 = = = ¿g ¼Ã Χ 15 (5 ÂÒ¦g 15 5 ¨gÄÒ³f³¹Ç η¬Õ ©ÛÄѽgĵ¬¹·¬Äf ´×«È 15 ( 5 ÂÒ¦g 15 + 5
ñþèèÖĀė çõçĊãïđ 113 ¦Ã «×ë ¨gÄ 17 ( 8 = 17 + 8 15 ( 3 = 15 + 3 14 ( 5 = 14 + 5 10 ( 7 = 10 + 7 15 ( 8 = 15 + 8 17 (8 = 17 8 15 (3 = 15 3 14 (5 = 14 5 10 (7 = 10 7 ½ÄfÄ¿ 1. 15 ( 10 ( 3 = ..................................................................................... 2. 12 (5 ( 7 = ..................................................................................... §¹Ã ¿´fÄ©ÇÖ ½Ä®··°Ã ª 1. 5 2 = .......3.............................................................................. 2. 8 4 = .......4.............................................................................. 3. 17 8 = .......9.............................................................................. 4. 29 15 = .....1..4.............................................................................. 5. 3 8 = ... ....5.............................................................................. 6. 4 11 = ... ....7.............................................................................. 7. 15 20 = ... ....5.............................................................................. 8. 9 16 = ... ....7.............................................................................. 9. 24 20 = ... ....4.............................................................................. 10. 15 8 = .......7..............................................................................
ï114 ÒáãĂ öĀøãñŝìąçē ÞĀç Ċåûï 11. 5 3 = ..................................................................................... 12. 8 5 = ..................................................................................... 13. 10 3 = ..................................................................................... 14. 11 8 = ..................................................................................... 15. ( 13 5 = ... ...1..3.... ...5....=.... ....1..8........................................................ 16. ( 7 12 = ... ...7.... ....1.2....=.... ....1..9........................................................ 17. ( 10 15 = ..................................................................................... 18. ( 20 3 = ..................................................................................... 19. ( 12 8 = ..................................................................................... 20. ( 20 12 = ..................................................................................... 21. 8 ( 3 = ..................................................................................... 22. 12 ( 8 = .1..2...+......8...=....2..0................................................................ 23. 14 ( 9 = .1..4...+......9...=....2..3................................................................ 24. 16 ( 20 = ..................................................................................... 25. 20 ( 15 = ..................................................................................... 26. 8 ( 3 = ..................................................................................... 27. 10 ( 2 = ..................................................................................... 28. 30 ( 5 = ..................................................................................... 29. 20 ( 1 = ..................................................................................... 30. 40 ( 40 = .....................................................................................
ñþèèÖĀė çõçĊãïđ 115 E\"\"% Ă 39 e 1. ½Ä®·¬¹ 1. 30 + 50 = ............................. 6. 17 + 12 = ............................. 2. ( 12 + ( 15 = ............................. 7. ( 150 + ( 10 = ............................. 3. 5 + ( 9 5 = ............................. 8. ( 10 + 10 = ............................. 4. ( 8 + 10 = ............................. 9. 15 + 10 = ............................. 5. ( 10 + 8 = ............................. 10. 12 + 15 = ............................. 11. ( 6 + 2 = .............................. 18. 10 + 20 = .............................. 12. ( 24 +10 = .............................. 19. 17 + 67 = .............................. 13. ( 64 + 57 = .............................. 20. 2 + ( 11 = .............................. 14. ( 54 + 85 = ............................... 21. 12 + ( 34 = .............................. 15. ( 17 + 67 = .............................. 22. 8 + ( 12 = .............................. 16. ( 6 + ( 4 = .............................. 23. 15 + (30 = .............................. 17. ( 3 + ( 4 = .............................. 24. 18 + ( 6 = ............................... 25. 36 + ( 36 = .............................. 26. ( 18 + ( 6 = ............................ 27. ( 12 + 13 = ............................... 28. 100 + 1 = ............................... 29. 100 + 1 = ............................... 30. ( 19 + 19 = ............................ . ½Ä®·¬¹ = ...................................................................................... 1. ( 12 + [( 10 + ( 5< = ...................................................................................... = ...................................................................................... 2. ( 20 + [( 8 + 12< = ...................................................................................... = ...................................................................................... 3. 31 + [( 11 + ( 20< = ......................................................................................
ï116 ÒáĂãöĀøãñìŝ çąē ÞĀç Ċåûï 4. ( 10 + ( 5 + ( 3 = ...................................................................................... 5. 20 + 13 + ( 17 = ...................................................................................... 6. ( 20 + 15 + 18 = ...................................................................................... 7. [( 5 + ( 13< + 8 = ...................................................................................... 8. ( 40 + 52 + ( 3 = ...................................................................................... 9. 36 + ( 50 + 11 = ...................................................................................... 10. ( 18 + ( 20 + 19 = ...................................................................................... 11. ( 7 + [( 2 + 9< = ...................................................................................... 12. [ 5 + 2< 13 = ...................................................................................... 13. ( 8 + 9 14 = ...................................................................................... 14. [12 18< + 9 = ...................................................................................... 15. [14 5< + 9 = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ......................................................................................
ñþèèÖĀė çõçĊãïđ 117 16. [( 18 + ( 12< + 5 = ...................................................................................... 17. [( 13 + ( 4< + 9 = ...................................................................................... 18. [14 +( 5< + ( 9 = ...................................................................................... 19. [( 14 + ( 86< + 3 = ...................................................................................... 20. [( 9 + ( 3< + 18 = ...................................................................................... 21. 2 + ( 3 + 5 = ...................................................................................... 22. ( 4 + [ 5 + 6< = ...................................................................................... 23. [15 + ( 12< + 18 = ...................................................................................... 24. [13 + ( 8< + (11 = ...................................................................................... 25. [20 + (12< + 20 = ...................................................................................... 26. [15 + ( 4< 9 = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ......................................................................................
ï118 ÒáãĂ öĀøãñìŝ ēąçÞĀç Ċåûï 27. [10 + ( 9< + 21 = ...................................................................................... = ...................................................................................... 28. [102 + 102< 11 = ...................................................................................... = ...................................................................................... 29. ( 30 + [ 40 + 50< = ...................................................................................... = ...................................................................................... 30. [( 1 + ( 10< + ( 100 = ...................................................................................... . ½Ä®··¬ = ...................................................................................... 1. 10 13 = ...................................................................................... 2. ( 10 13 = ...................................................................................... 3. ( 10 ( 13 = ...................................................................................... 4. 15 (18 = ...................................................................................... 5. 15 ( 18 = ...................................................................................... 6. 20 ( 3 = ...................................................................................... 7. 18 ( 4 = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ................................................................................... = ...................................................................................... = .....................................................................................
8. 8 ( 5 ñþèèÖĀė çõçĊãïđ 119 9. 12 ( 3 10. ( 40 15 = ...................................................................................... 11. 12 16 = ...................................................................................... 12. ( 10 15 = ...................................................................................... 13. ( 10 ( 15 = ...................................................................................... 14. 18 (20 = ...................................................................................... 15. 20 ( 8 = ...................................................................................... 16. 24 ( 5 = ...................................................................................... 17. 20 ( 7 = ...................................................................................... 18. 11 ( 8 = ...................................................................................... 19. 15 ( 4 = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ......................................................................................
ï120 ÒáĂãöĀøãñŝìąēçÞĀç Ċåûï 20. ( 30 11 = ...................................................................................... 21. ( 5 2 = ...................................................................................... 22. 10 2 = ...................................................................................... 23. 8 ( 12 = ...................................................................................... 24. 8 ( 8 = ...................................................................................... 25. 18 ( 18 = ...................................................................................... 26. [20 + 11< 20 = ...................................................................................... 27. [( 13 + ( 12< 20 = ...................................................................................... 28. [8 5< 7 = ...................................................................................... 29. [( 15 + 9< 11 = ...................................................................................... 30. 14 8 9 = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ...................................................................................... = ......................................................................................
ñþèèÖĀė çõçĊãïđ 121 . ½ÄÄÛ «¹«Î§Õ³©ÏÇÖ ©« @ Ï·¹g ©ÄÛ Ñ½gµÂдD#đ!µÆ 1. ( 5 @ = 8 ...................................................................................... 2. @ 3 = 10 ...................................................................................... 3. ( 17 + @ = 10 ...................................................................................... 4. 20 @ = 5 ...................................................................................... 5. 20 + @ = 5 ...................................................................................... 6. ( 10 @ = 8 ...................................................................................... 7. ( 10 + @ = 8 ...................................................................................... 8. @ ( 5 = 12 ...................................................................................... 9. @ + ( 5 = 12 ...................................................................................... 10. 10 ( 10 = @ ...................................................................................... 11. 10 + ( 10 = @ ...................................................................................... 12. 0 @ = 4 ...................................................................................... 13. 0 + ( @ = 4 ...................................................................................... 14. 18 ( 20 = @ ...................................................................................... 15. ( 18 @ = 2 ...................................................................................... 16. ( 18 + @ = 2 ...................................................................................... 17. ( 18 + @ = 5 ...................................................................................... 18. ( 18 @ = 5 ...................................................................................... 19. @ + ( 18 = 4 ...................................................................................... 20. @ ( 18 = 4 ...................................................................................... 21. x + 8 = 9 ......................................................................................
ï122 ÒáãĂ öĀøãñìŝ ąçē ÞĀç Ċåûï 22. x + ( 13 = 20 ...................................................................................... 23. ( 8 + ( 8 = x ...................................................................................... 24. 43 ( @ = 79 ...................................................................................... 25. 14 ( @ = 22 ...................................................................................... 26. ( @ ( 11 = 2 ...................................................................................... 27. ( @ 28 = 93 ...................................................................................... 28. @ ( 3 = 14 ...................................................................................... 29. 50 x = 79 ...................................................................................... 30. 0 ( x = 35 ...................................................................................... 5. ¨gÄ @ A - B - = ...................................................................................... ½ÄfÄ¿ÄÛ «¹«§¿f Ò«Ç× ...................................................................................... ...................................................................................... 1. @ + A + B = ...................................................................................... 2. @ A B ...................................................................................... ...................................................................................... 3. A @ B = ...................................................................................... 4. A B @ ...................................................................................... ...................................................................................... = ...................................................................................... ...................................................................................... ......................................................................................
ñþèèÖĀė çõçĊãïđ 123 5. B @ A = ...................................................................................... ...................................................................................... ...................................................................................... 6. B A @ = ...................................................................................... ...................................................................................... ...................................................................................... 7. (@ A B (A + B = ...................................................................................... ...................................................................................... ...................................................................................... 8. (@ + A B (B @ = ...................................................................................... ...................................................................................... ...................................................................................... 9. (B @ A + (A + B = ...................................................................................... ...................................................................................... ...................................................................................... 10. (B A @ (@ A B = ...................................................................................... ...................................................................................... ......................................................................................
ï124 ÒáãĂ öĀøãñìŝ ąçē ÞĀç Ċåûï :+ AQ:!/!D )K ĵ˥ÛÄ«¹«Î§³Õ ¬¹ ¦¹g ´ÄÛ «¹«Î§³Õ ¬¹ Îf« 2 5 = 5 + 5 = 10 3 4 = 4 + 4 + 4 = 12 ? ÂÒ¦g Ûħ¿¬D#đ!ÄÛ «¹«Î§³Õ ¬¹©³ÇÖ Ç Äf ¼³Ã ¬Ëµ¥Î©fÄì®·Ë¥¿fļó¬Ëµ¥¿¼¿ÄÛ «¹«««×à ĵ˥ÛÄ«¹«Î§³Õ ¬¹ ¦¹g ´ÄÛ «¹«Î§Õ³·¬ 2 ( 5 = ( 5 + ( 5 = 10 4 ( 3 = ( 3 + ( 3 + ( 3 + ( 3 = 12 ? ÂÒ¦gÛħ¿¬D#đ!ÄÛ «¹«Î§Õ³·¬©³ÖÇ Ç fļ³Ã ¬Ëµ¥Î©Äf ¬Ã ®·Ë¥¿fļó¬µË ¥ ¿¼¿ÄÛ «¹«««×à ĵ˥ÛÄ«¹«Î§Õ³·¬ ¦¹g ´ÛÄ«¹«Î§³Õ ¬¹ ( 5 2 Ѽg ³¬§Ã Æĵ¼·Ã¬©ÇÖ Äµ¥Ë ( 5 2 = 2 ( 5 = ( 5 + ( 5 = 10 ? ÂÒ¦g ÄÛ §¿¬Î¦Ç´¹¬Ã ĵ˥ÄÛ «¹«Î§Õ³¬¹¦¹g ´ÄÛ «¹«Î§Õ³·¬ ĵ¥Ë ÛÄ«¹«Î§³Õ ·¬ ¦g¹´ÛÄ«¹«Î§³Õ ·¬ ( 7 ( 3 = 21 ( 5 ( 4 = 20 ? ÂÒ¦gÛħ¿¬D#đ!ÄÛ «¹«Î§³Õ ¬¹©³ÇÖ Çfļ³Ã ¬Ëµ¥Î ©fÄì®·Ë¥¿fļ³Ã ¬µË ¥¿¼¿ÛÄ«¹«««×à §Ã¹¿´fÄ©ÖÇ ½Ä®·¥Ë ¿ÛÄ«¹«§f¿Ò«×Ç 1. ( 5 ( 8 = ...................................................................................... 2. 4 ( 6 = ...................................................................................... 3. 3 7 = ......................................................................................
ñþèèÖĀė çõçĊãïđ 125 4. ( 10 3 = ...................................................................................... 5. ( 1 15 = ...................................................................................... 6. ( 7 ( 8 = ...................................................................................... 7. ( 50 4 = ...................................................................................... 8. ( 15 ( 3 = ...................................................................................... 9. 15 ( 6 = ...................................................................................... 10. 12 ( 8 = ...................................................................................... E\"\"% Ă 39 f «Ã ε´Ç «¼Ä³Äµ¨½Ä®·¥Ë ¿ÄÛ «¹«Î§Õ³Ò¦g 1. ½Ä®·Ë¥ = ...................................................................................... 1. 7 8 = ...................................................................................... 2. 5 6 = ...................................................................................... 3. 11 ( 8 = ...................................................................................... 4. 3 5 = ...................................................................................... 5. 10 20 = ...................................................................................... 6. ( 6 ( 9 = ...................................................................................... 7. ( 1 0 = ...................................................................................... 8. 25 ( 13 = ...................................................................................... 9. ( 413 ( 1
ï126 ÒáãĂ öĀøãñìŝ çąē ÞĀç Ċåûï 10. ( 13 ( 15 = ...................................................................................... 11. 2 ( 60 = ...................................................................................... 12. ( 21 ( 21 = ...................................................................................... 13. 18 ( 15 = ...................................................................................... 14. ( 2 ( 9 ( 10 = ...................................................................................... 15. ( 1 (18 ( 9 = ...................................................................................... 16. ( 3 ( 6 ( 5 = ...................................................................................... 17. ( 2 (410 ( 5 = ...................................................................................... 18. (410 ( 10 10 = ...................................................................................... 19. ( 1 ( 1 (813 = ...................................................................................... 20. ( 5 ( 7 ( 28 = ...................................................................................... 21. ( 2 ( 5 = ...................................................................................... 22. [( 4 ( 8< 1 = ...................................................................................... 23. [6 ( 15< 2 = ...................................................................................... 24. [( 2 ( 5< ( 10 = ...................................................................................... 25. [( 1 ( 3< ( 2 = ...................................................................................... 26. 5 [111< = ...................................................................................... 27. 5 [( 7 ( 1< = ...................................................................................... 28. 3 [6 ( 4< = ...................................................................................... 29. [( 2 8< ( 2 = ...................................................................................... 30. [ 6 ( 2< ( 10 = ......................................................................................
ñþèèÖĀė çõçĊãïđ 127 . ½Ä®·Ë¥¿ @ A Ï· A @ Ï·g¹§µ¹¼¿¬¹fÄΩfÄ«Ã ½µ¿É Ò³f ¨Äg ÄÛ ½«¦ @, A ¦Ã §f¿Ò«Ç× 1. @ = 4, A = 5 @ A ì A @ = 4 ( 5 = 5 4 = 20 = 20 ÂÒ¦g @ A = A @ 2. @ = 8 A = 6 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 3. @ = 1 A = 18 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 4. @ = 0, A = 10 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 5. @ = 15, A = 0 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 6. @ = 5, A = 8 .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ï128 ÒáĂãöĀøãñŝìēçą ÞĀç Ċåûï 7. @ = 2, A = 5 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 8. @ = 3, A = 1 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 9. @ = 2, A = 22 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 10. @ = 0, A = 9 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 11. @ 4, A = 11 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 12. @ = 8, A = 20 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ñþèèÖĀė çõçĊãïđ 129 13. @ = 2, A = 80 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 14. @ = 4 A = 0 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 15. @ = 0, A = 100 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. . Ï©« @ A Ï·Â B ¦g¹´ÄÛ «¹«©ÇÖ ÛĽ«¦ ·Ñ«µÂд (@ A B = @ (A B Ï·g¹§µ¹¼¿¬¹fĵÂд©ÖÒÇ ¦Dg #đ!µÆ ½µ¿É Ò³f 1. @ = 2, A = 5, B=4 (@ A B = @ (A B ( 2 5 4 = ( 2 (5 4 ( 10 4 = 2 (20 40 = 40 µÂд«ÇÎ× ©Äf ëµÆ 2. @ = 5, A = 3, B = 10 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ï130 ÒáãĂ öĀøãñìŝ ąēçÞĀç Ċåûï 3. @ = 10, A = 2, B = 5 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 4. @ = 0, A = 2, B = 9 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 5. @ = 5, A = 2 B = 5 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 6. @ = 2, A = 11, B = 10 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 7. @ = 13, A = 0, B=2 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ñþèèÖĀė çõçĊãïđ 131 8. @ = 12, A = 5, B=0 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 9. @ = 1, A = 8, B = 11 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 10. @ = 0, A = 8, B = 5 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. . Ï©« @ A Ï·Â B ¦g¹´ÄÛ «¹«©ÖÇÛĽ«¦Ñ½gÑ«µÂд @ (A + B = (@ A + (@ B Ï·g¹§µ¹¼¿¬¹fĵÂдD#đ!µÆ½µÉ¿Ò³f 1. @ = 3 A = 5 B = 4 @ (A + B = (@ A + (@ B 3 (5 + ( 4 = (3 5 + (3 ( 4 3 (1 = 15 + ( 12 3 = 3 µÂд«ÇÎ× ©Äf ëµÆ
ï132 ÒáĂãöĀøãñìŝ ēçą ÞĀç Ċåûï 2. @ = 5, A = 8 B = 3 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 3. @ = 10, A = 5 B = 8 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 4. @ = 5, A = 4, B = 2 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 5. @ = 8, A = 3, B=1 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 6. @ = 7, A = 5, B = 6 .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ñþèèÖĀė çõçĊãïđ 133 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 7. @ = 4, A = 2, B = 3 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 8. @ = 3, A = 6, B = 9 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 9. @ = 2, A = 8, B=5 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 10. @ = 6, A = 9, B = 10 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ï134 ÒáãĂ öĀøãñìŝ çąē ÞĀç Ċåûï . ½ÄÄÛ «¹«Î§Õ³©ÏÇÖ ©«Ñ«§¹Ã ϵ Ï·¹g ©ÛÄѽgÒ¦gµÂд©ÇDÖ #đ!µÆ 1. m 4 = 12 ( 3 4 = 12 ? m = 3 2. 8 m = 8 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 3. ( 7 m = 35 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 4. m 100 = 500 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 5. ( 2 m (3 = 24 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ñþèèÖĀė çõçĊãïđ 135 6. 5 ( 2 m = 70 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 7. ( 3 m ( 3 = 36 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .......................................................................................................................................... 8. ( 5 ( 7 m = 105 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 9. 3 A = 3 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 10. @ 7 = 14 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ï136 ÒáãĂ öĀøãñŝìąēçÞĀç Ċåûï 11. 2 @ = 2 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 12. 10 A = 10 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 13. 4 J = 12 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 14. ( 1 @ = 1 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 15. 10 @ = 100 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ñþèèÖĀė çõçĊãïđ 137 16. ( 2 5 = J .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 17. 20 ( 2 = J .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 18. 18 ( 1 = A .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 19. 13 ( 11 = @ .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 20. @ ( 8 = 0 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ï138 ÒáãĂ öĀøãñìŝ ąçē ÞĀç Ċåûï 21. 4 @ = 12 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 22. 5 2 J = 30 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 23. J 8 3 = 240 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 24. ( 2 A ( 4 = 16 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 25. 11 ( 2 @ = 22 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
ñþèèÖĀė çõçĊãïđ 139 26. 2 ( 9 3 = @ .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 27. 12 5 3 = @ .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 28. ( 2 J 1 = 8 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 29. ( 1 @ 2 = 200 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. 30. 4 ( 5 @ = 20 .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. .............................................................................................................................................. ..............................................................................................................................................
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