65-de-on-luyen-giua-hoc-ki-1-mon-toan-lop-3

["\u0110\u1ec0 48 Ph\u1ea7n I: Tr\u1eafc nghi\u1ec7m Em h\u00e3y khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang nh\u1ea5t: 1. 5 x 6 = ... S\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o d\u1ea5u ba ch\u1ea5m l\u00e0: A. 35 B. 30 C. 38 D. 32 2. 7 x 8 = ... S\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o d\u1ea5u ba ch\u1ea5m l\u00e0: A. 50 B. 52 C. 56 D. 65 3. 1 c\u1ee7a 48 cm l\u00e0: 6 A. 7 cm B. 6 cm C. 8 cm D. 5 cm 4. 5 g\u1ea5p 7 l\u1ea7n l\u00e0: A. 36 B. 37 C. 35 D. 38 5. 58 : 6 = 9 s\u1ed1 d\u01b0 l\u00e0: A. 4 B. 3 C. 8 d) 7 6. \u0110o\u1ea1n th\u1eb3ng AB d\u00e0i 60 cm. V\u1eady 1 \u0111o\u1ea1n th\u1eb3ng AB d\u00e0i: 6 A. 10 cm B. 1 cm C. 36 cm D. 12 cm Ph\u1ea7n II: T\u1ef1 lu\u1eadn 1. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: a) 17 x 6 b) 64 x 7 c) 69 : 3 d) 84 : 4 .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... 2. T\u00ecm x : b) 42 : x = 6 a) 87 \u2013 x = 30 .................................................................................................................................... .................................................................................................................................... 3. T\u00ednh: a) 7 x 8 \u2013 26 = \u2026\u2026\u2026\u2026\u2026\u2026\u2026 b) 48 : 4 + 25 =\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026............... 4. Trong v\u01b0\u1eddn c\u00f3 63 c\u00e2y \u0103n qu\u1ea3, 1 s\u1ed1 c\u00e2y \u0111\u00f3 l\u00e0 c\u00e2y b\u01b0\u1edfi. H\u1ecfi trong v\u01b0\u1eddn c\u00f3 bao 7 nhi\u00eau c\u00e2y b\u01b0\u1edfi? .................................................................................................................................... .................................................................................................................................... ....................................................................................................................................","\u0110\u1ec0 49 Ph\u1ea7n I: Tr\u1eafc nghi\u1ec7m H\u00e3y khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang nh\u1ea5t: 1. S\u1ed1 b\u00e9 nh\u1ea5t c\u00f3 3 ch\u1eef s\u1ed1 l\u00e0: A. 990 B. 900 C. 999 D. 100 2. S\u1ed1 l\u1edbn nh\u1ea5t c\u00f3 4 ch\u1eef s\u1ed1 l\u00e0: A. 1111 B. 1001 C. 9999 D. 1000 3. Cho d\u00e3y s\u1ed1: 8; 12; 16; 20; ........; ........; 32; 36; 40. Hai s\u1ed1 c\u00f2n thi\u1ebfu l\u00e0: A. 24 v\u00e0 26 B. 26 v\u00e0 30 C. 24 v\u00e0 28 D. 28 v\u00e0 32 4. Th\u00f9ng th\u1ee9 nh\u1ea5t ch\u1ee9a 12 l\u00edt d\u1ea7u, th\u00f9ng th\u1ee9 hai ch\u1ee9a g\u1ea5p 5 l\u1ea7n th\u00f9ng th\u1ee9 nh\u1ea5t. Nh\u01b0 v\u1eady th\u00f9ng th\u1ee9 hai ch\u1ee9a : A. 17 l\u00edt d\u1ea7u B. 20 l\u00edt d\u1ea7u C. 50 l\u00edt d\u1ea7u D. 60 l\u00edt d\u1ea7u 5. 1 c\u1ee7a 24 gi\u1edd l\u00e0 ......... gi\u1edd. S\u1ed1 th\u00edch h\u1ee3p \u0111i\u1ec1n v\u00e0o ch\u1ed7 ch\u1ea5m l\u00e0: 3 A.12 B. 8 C. 6 D. 4 6. Tr\u00ean h\u00ecnh v\u1ebd b\u00ean c\u00f3 m\u1ea5y tam gi\u00e1c? A. 8 h\u00ecnh tam gi\u00e1c B. 10 h\u00ecnh tam gi\u00e1c C. 12 h\u00ecnh tam gi\u00e1c D. 15 h\u00ecnh tam gi\u00e1c Ph\u1ea7n 2: T\u1ef1 lu\u1eadn b) 590 \u2013 76 c) 22 x 6 d) 96 : 3 1. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: a) 426 + 137 .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... 2. T\u00ecm x : a) x x 5 = 55 b) 49 : x = 7 .................................................................................................................................... .................................................................................................................... 3. T\u00ednh: a) 7 x 8 \u2013 26 = \u2026\u2026\u2026\u2026\u2026 b) 48 : 4 + 25 =\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026......... 4. N\u0103m nay m\u1eb9 em 36 tu\u1ed5i, tu\u1ed5i em b\u1eb1ng 1 tu\u1ed5i m\u1eb9 em . H\u1ecfi em n\u0103m nay bao 4 nhi\u00eau tu\u1ed5i? ................................................................................................................................ ................................................................................................................................ ................................................................................................................................","\u0110\u1ec0 50 I. Ph\u1ea7n tr\u1eafc nghi\u1ec7m: H\u00e3y khoanh v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: 1 . S\u1ed1 ba tr\u0103m n\u0103m m\u01b0\u01a1i vi\u1ebft l\u00e0: A. 305 B. 503 C.350 D. 530 2. Chu vi h\u00ecnh tam gi\u00e1c ABC l\u00e0: A. 200 cm B. 310 cm C. 300 cm D. 400 cm 3. G\u1ea5p 6 l\u00ean 5 l\u1ea7n th\u00ec \u0111\u01b0\u1ee3c: A. 11 B. 25 C. 28 D. 30 4. K\u1ebft qu\u1ea3 c\u1ee7a d\u00e3y t\u00ednh 4: 2 + 16 l\u00e0: A. 6 B. 10 C. 18 D. 12 5. 1 c\u1ee7a 30 l\u00edt l\u00e0: 6 A. 3 l\u00edt B. 4 l\u00edt C. 5 l\u00edt D. 6 l\u00edt 6. S\u1ed1 l\u1edbn nh\u1ea5t c\u00f3 2 ch\u1eef s\u1ed1 l\u00e0: A. 99 B.90 C.10 D.89 II. Ph\u1ea7n t\u1ef1 lu\u1eadn: C\u00e2u 1:. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: a) 144 + 367 b) 573 \u2013 56 c) 44 x 6 d) 75 : 3 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. C\u00e2u 2:.T\u00ednh: a. 40 x 2 - 50 b. 30 + 50 - 20 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 C\u00e2u 3:.T\u00ecm x: a. x x 6 = 48 b. x : 6 = 5 ................................................................................................................................ ................................................................................................................................ C\u00e2u 4: C\u00f3 35 l\u00edt d\u1ea7u chia \u0111\u1ec1u v\u00e0o c\u00e1c can, m\u1ed7i can ch\u1ee9a 5 l\u00edt d\u1ea7u. H\u1ecfi c\u1ea7n bao nhi\u00eau c\u00e1c can nh\u01b0 v\u1eady \u0111\u1ec3 ch\u1ee9a h\u1ebft s\u1ed1 d\u1ea7u? ................................................................................................................................ ................................................................................................................................ ................................................................................................................................","\u0110\u1ec0 51 I. Ph\u1ea7n tr\u1eafc nghi\u1ec7m: Khoanh v\u00e0o ch\u1eef \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: 1. S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a 150 l\u00e0: A. 151 B. 140 C. 149 D. 160 2. S\u1ed1 li\u1ec1n sau c\u1ee7a 99 l\u00e0: A. 98 B. 99 C. 101 D. 100 3. G\u1ea5p 4 l\u00ean 6 l\u1ea7n th\u00ec \u0111\u01b0\u1ee3c: A. 20 B. 24 C. 28 D. 30 4. Gi\u1ea3m 42 \u0111i 7 l\u1ea7n th\u00ec \u0111\u01b0\u1ee3c: A. 8 B. 7 C. 6 D. 5 5. M\u1ed7i tu\u1ea7n l\u1ec5 c\u00f3 7 ng\u00e0y. V\u1eady 2 tu\u1ea7n l\u1ec5 c\u00f3 bao nhi\u00eau ng\u00e0y? A. 12 ng\u00e0y B. 13 ng\u00e0y C. 14 ng\u00e0y D. 15 ng\u00e0y 6. \u0110i\u1ec1n d\u1ea5u >, <, = th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 ch\u1ea5m: a) 6dm 5cm ........65cm b) 5 km............5000 m II. Ph\u1ea7n t\u1ef1 lu\u1eadn: B\u00e0i 1: T\u00ednh nh\u1ea9m: 6x6= 6x9= 7x6= 7x7= 36 : 6 = 54 : 6 = 42 : 7 = 49 : 7 = B\u00e0i 2: \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: 35 x 6 ; 75 x 3 ; 55 : 5 ; 80 : 4 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 3: T\u00ecm x a) 3 x x = 93 b) x : 5 = 25 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 4: M\u1ed9t c\u1eeda h\u00e0ng c\u00f3 30 kg k\u1eb9o, bu\u1ed5i s\u00e1ng c\u1eeda h\u00e0ng \u0111\u00e3 b\u00e1n \u0111\u01b0\u1ee3c 1 s\u1ed1 k\u1eb9o \u0111\u00f3. 6 H\u1ecfi bu\u1ed5i s\u00e1ng c\u1eeda h\u00e0ng \u0111\u00f3 \u0111\u00e3 b\u00e1n \u0111\u01b0\u1ee3c bao nhi\u00eau ki-l\u00f4-gam k\u1eb9o? ................................................................................................................................ ................................................................................................................................ ................................................................................................................................ ................................................................................................................................","\u0110\u1ec0 52 Ph\u1ea7n 1: Tr\u1eafc nghi\u1ec7m H\u00e3y khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang nh\u1ea5t: 1. 1 c\u1ee7a 18 ph\u00fat l\u00e0: 6 A. 6 ph\u00fat B. 3 ph\u00fat C. 4 ph\u00fat D. 2 ph\u00fat 2. Trong c\u00e1c ph\u00e9p chia sau, ph\u00e9p chia c\u00f3 th\u01b0\u01a1ng b\u00e9 nh\u1ea5t l\u00e0: A. 12 : 2 B. 12 : 6 C. 12 : 4 D. 12 : 3 3. Hi\u1ec7n nay em 7 tu\u1ed5i, tu\u1ed5i c\u1ee7a cha g\u1ea5p 8 l\u1ea7n tu\u1ed5i c\u1ee7a em. Tu\u1ed5i c\u1ee7a cha hi\u1ec7n nay l\u00e0: A. 42 tu\u1ed5i B. 49 tu\u1ed5i C. 56 tu\u1ed5i D. 63 tu\u1ed5i 4. 2m 2dm =........ .dm S\u1ed1 th\u00edch h\u1ee3p vi\u1ebft v\u00e0o ch\u1ed7 ch\u1ea5m l\u00e0; A. 220 B. 22 C. 202 D. 2020 5. \u0110\u00fang ghi \u0110, sai ghi S v\u00e0o \u00f4 tr\u1ed1ng: 20 x 2 : 5 = 40 42 : 7 + 34 = 40 6. Vi\u1ebft d\u1ea5u <, >, = th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 ch\u1ea5m: 1 gi\u1edd ........ 20ph\u00fat ; 1 gi\u1edd ....... 25ph\u00fat ; 3 2 Ph\u1ea7n 2: T\u1ef1 lu\u1eadn 1. T\u00ednh nh\u1ea9m: 6 x 9 = ......... 7 x 8 = .......... 42 : 7 = .......... 45 : 5 ......... 2. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: 177 + 432 792 - 344 52 x 7 48 : 4 .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... 3. Trong th\u00f9ng c\u00f3 t\u1ea5t c\u1ea3 36 l\u00edt d\u1ea7u. Sau khi s\u1eed d\u1ee5ng, s\u1ed1 d\u1ea7u c\u00f2n l\u1ea1i trong th\u00f9ng b\u1eb1ng 1 s\u1ed1 d\u1ea7u \u0111\u00e3 c\u00f3. H\u1ecfi trong th\u00f9ng c\u00f2n l\u1ea1i bao nhi\u00eau l\u00edt d\u1ea7u? 3 ................................................................................................................................ ................................................................................................................................ ................................................................................................................................ 4. a) V\u1ebd \u0111o\u1ea1n th\u1eb3ng AB d\u00e0i 10 cm .................................................................................................................................... b) V\u1ebd \u0111o\u1ea1n th\u1eb3ng CD c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng 1 \u0111\u1ed9 d\u00e0i \u0111o\u1ea1n th\u1eb3ng AB. 2 ................................................................................................................................ ................................................................................................................................","\u0110\u1ec0 53 Ph\u1ea7n I: Tr\u1eafc nghi\u1ec7m Khoanh v\u00e0o ch\u1eef \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: 1. S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a 150 l\u00e0: A. 151 B. 140 C. 149 D. 160 2. S\u1ed1 li\u1ec1n sau c\u1ee7a 99 l\u00e0: A. 98 B. 99 C. 101 D. 100 3. G\u1ea5p 4 l\u00ean 6 l\u1ea7n th\u00ec \u0111\u01b0\u1ee3c: A. 20 B. 24 C. 28 D. 30 4. Gi\u1ea3m 42 \u0111i 7 l\u1ea7n th\u00ec \u0111\u01b0\u1ee3c: A. 8 B. 7 C. 6 D. 5 5. 1 c\u1ee7a 30 l\u00edt l\u00e0: 6 A. 3 l\u00edt B. 4 l\u00edt C. 5 l\u00edt D. 6 l\u00edt 6. \u0110i\u1ec1n d\u1ea5u >, <, = th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 ch\u1ea5m: a) 6dm 5cm ........65cm b) 5 km............5000 m Ph\u1ea7n II: T\u1ef1 lu\u1eadn 1. T\u00ednh nh\u1ea9m: 7x8= 7x6= 6x5= 7x5= 42 : 6 = 49 : 7 = 54 : 6 = 63 : 7 = 2. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: 47 x 5 28 x 3 60 : 3 88 : 4 \u2026\u2026\u2026. \u2026\u2026\u2026.. \u2026\u2026\u2026. \u2026\u2026\u2026. \u2026\u2026\u2026. \u2026\u2026\u2026. \u2026\u2026\u2026.. \u2026\u2026\u2026. \u2026\u2026\u2026. \u2026\u2026\u2026. \u2026\u2026\u2026. \u2026\u2026\u2026. \u2026\u2026\u2026. \u2026\u2026\u2026.. \u2026\u2026\u2026. \u2026\u2026\u2026.. 3. T\u00ednh: 7 x 8 \u2013 37 = \u2026\u2026\u2026\u2026\u2026. 63 : 7 + 30 = \u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. 4. C\u1eeda h\u00e0ng c\u00f3 93 h\u1ed9p b\u00e1nh. C\u1eeda h\u00e0ng \u0111\u00e3 b\u00e1n h\u1ebft 1 s\u1ed1 h\u1ed9p b\u00e1nh \u0111\u00f3. H\u1ecfi c\u1eeda 3 h\u00e0ng \u0111\u00e3 b\u00e1n \u0111\u01b0\u1ee3c bao nhi\u00eau h\u1ed9p b\u00e1nh? B\u00e0i gi\u1ea3i \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026","\u0110\u1ec0 54 Ph\u1ea7n I: Tr\u1eafc nghi\u1ec7m B\u00e0i 1: H\u00e3y khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang. 1. S\u1ed1 b\u1ea3y tr\u0103m ba m\u01b0\u01a1i hai vi\u1ebft l\u00e0: A. 272. B. 723 C. 372. D. 732. 2. G\u1ea5p 7 l\u00ean 5 l\u1ea7n th\u00ec \u0111\u01b0\u1ee3c: D. 45. D. 17. A. 12. B. 35. C. 40. D. 6m. 3. K\u1ebft qu\u1ea3 d\u00e3y t\u00ednh 6 : 2 + 14 l\u00e0: B A. 10. B. 20. C. 30. 4. 1 c\u1ee7a 45m l\u00e0: 5 A. 7m. B. 8m. C. 9m. B\u00e0i 2: \u0110\u00fang ghi \u0110, sai ghi S v\u00e0o \u00f4 tr\u1ed1ng sau: 1. 1 c\u1ee7a 24l l\u00e0 6l. \uf0a8 A D 4 2. \u0110\u1ed9 d\u00e0i \u0111\u01b0\u1eddng g\u1ea5p kh\u00fac ABCD l\u00e0: 77cm. \uf0a8 C Ph\u1ea7n 2: T\u1ef1 lu\u1eadn B\u00e0i 1: \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: a) 421 + 29 b) 516 \u2013 324 c) 43 x 6 d) 68 : 2 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 2: T\u00ednh: a) 45 : 5 + 231 b) 26 x 5 \u2013 34 ................................................................................................................................ ................................................................................................................................ B\u00e0i 3: T\u00ecm x: a) 36 : x = 4 b) x : 7 = 4 ................................................................................................................................ ................................................................................................................................ B\u00e0i 4: M\u1ed9t l\u1edbp h\u1ecdc c\u00f3 36 h\u1ecdc sinh, trong \u0111\u00f3 c\u00f3 1 s\u1ed1 h\u1ecdc sinh l\u00e0 h\u1ecdc sinh gi\u1ecfi. H\u1ecfi 4 l\u1edbp h\u1ecdc \u0111\u00f3 c\u00f3 bao nhi\u00eau h\u1ecdc sinh gi\u1ecfi? ................................................................................................................................ ................................................................................................................................ ................................................................................................................................","\u0110\u1ec0 55 A. Ph\u1ea7n Tr\u1eafc nghi\u1ec7m: H\u00e3y khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang nh\u1ea5t : 1. S\u1ed1 l\u1edbn nh\u1ea5t trong c\u00e1c s\u1ed1 346; 436; 464; 435 l\u00e0: A. 346 B. 436 C.464 D.435 2. S\u1ed1 b\u00e9 nh\u1ea5t trong c\u00e1c s\u1ed1 468, 369, 396, 486 l\u00e0: A. 468 B. 369 C.396 D. 486 3. K\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p t\u00ednh 500 + 50 + 4 l\u00e0: A. 554 B. 545 C. 504 D. 550 4. S\u1ed1 ba tr\u0103m b\u1ea3y m\u01b0\u01a1i l\u0103m vi\u1ebft l\u00e0: A. 573 B. 375 C. 357 D. 300705 5. K\u1ebft qu\u1ea3 c\u1ee7a ph\u00e9p chia 49 : 7 l\u00e0: A. 5 B. 6 C. 7 D. 8 6. 1 c\u1ee7a 15m l\u00e0: 3 A. 4 B. 5 C. 6 D. 7 B. Ph\u1ea7n t\u1ef1 lu\u1eadn: 1. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: 234 + 432 356 - 156 16 x 6 76 : 4 .................... ................. ................ ................... .................... ................. ................ ................... .................... ................. ................ ................... 2. T\u00ecm x : b) 42 : x = 6 a) 87 \u2013 x = 30 .................................................................................................................................... .................................................................................................................................... 3. T\u00ednh: a) 7 x 8 \u2013 26 = \u2026\u2026\u2026\u2026\u2026\u2026\u2026 b) 48 : 4 + 25 =\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026................... 4. Mai l\u00e0m \u0111\u01b0\u1ee3c 30 b\u00f4ng hoa b\u1eb1ng gi\u1ea5y, Mai t\u1eb7ng b\u1ea1n 1 s\u1ed1 b\u00f4ng hoa \u0111\u00f3. H\u1ecfi Mai 6 t\u1eb7ng b\u1ea1n bao nhi\u00eau b\u00f4ng hoa? .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... ....................................................................................................................................","\u0110\u1ec0 56 Ph\u1ea7n 1: Tr\u1eafc nghi\u1ec7m B\u00e0i 1: H\u00e3y khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang nh\u1ea5t : 1. Hi\u1ec7n nay em 7 tu\u1ed5i, tu\u1ed5i c\u1ee7a m\u1eb9 g\u1ea5p 6 l\u1ea7n tu\u1ed5i c\u1ee7a em. Tu\u1ed5i c\u1ee7a m\u1eb9 hi\u1ec7n nay l\u00e0: A. 32 B. 40 C. 42 D. 45 2. Trong c\u00e1c ph\u00e9p chia c\u00f3 d\u01b0 v\u1edbi s\u1ed1 chia l\u00e0 6 th\u00ec s\u1ed1 d\u01b0 l\u1edbn nh\u1ea5t c\u1ee7a c\u00e1c ph\u00e9p chia \u0111\u00f3 l\u00e0: A. 6 B. 5 C. 4 D. 0 3. 1 c\u1ee7a 28 ph\u00fat l\u00e0: 4 A. 8 ph\u00fat B. 6 ph\u00fat C. 7 ph\u00fat D. 5 ph\u00fat 4. 2m 1dm =........ .dm S\u1ed1 th\u00edch h\u1ee3p vi\u1ebft v\u00e0o ch\u1ed7 ch\u1ea5m l\u00e0; A. 210 B. 21 C. 201 D. 2010 B\u00e0i 2: \u0110\u00fang ghi \u0110, sai ghi S v\u00e0o \u00f4 tr\u1ed1ng a. 20 x 2 : 5 = 40 b. 42 : 7 + 34 = 40 Ph\u1ea7n 2: T\u1ef1 lu\u1eadn c) 42 : 6 = \u2026\u2026\u2026\u2026 d) 63 : 7 =\u2026..... B\u00e0i 1. T\u00ednh nh\u1ea9m: a) 6 x 8 = \u2026\u2026 b) 7 x 7 = \u2026\u2026\u2026.. B\u00e0i 2. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: 15 x 6 43 x 3 77 : 7 92 : 4 .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... B\u00e0i 3. T\u00ecm x : b) 28 : x = 10 \u2013 3 a) x : 3 = 10 .................................................................................................................................... .................................................................................................................................... B\u00e0i 4. M\u1ed9t t\u1ea5m v\u1ea3i d\u00e0i 45m, ng\u01b0\u1eddi ta \u0111\u00e3 b\u00e1n \u0111i 1 t\u1ea5m v\u1ea3i \u0111\u00f3. H\u1ecfi ng\u01b0\u1eddi ta \u0111\u00e3 b\u00e1n 5 \u0111i bao nhi\u00eau m\u00e9t v\u1ea3i? .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... ....................................................................................................................................","\u0110\u1ec0 57 I . Tr\u1eafc nghi\u1ec7m: Khoanh v\u00e0o ch\u1eef \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: 1. 4 dam 7 m = \u2026..m. S\u1ed1 th\u00edch h\u1ee3p vi\u1ebft v\u00e0o ch\u1ed7 ch\u1ea5m l\u00e0: A. 407 B. 47 C. 470 D. 7 2. 1 gi\u1edd = ....... ph\u00fat. S\u1ed1 th\u00edch h\u1ee3p vi\u1ebft v\u00e0o ch\u1ed7 ch\u1ea5m l\u00e0: 3 A. 12 B. 15 C. 20 D. 30 3. \u0110o\u1ea1n th\u1eafng AB d\u00e0i 12 cm, \u0111o\u1ea1n th\u1eb3ng CD g\u1ea5p 3 l\u1ea7n \u0111o\u1ea1n AB . \u0110\u1ed9 d\u00e0i \u0111o\u1ea1n th\u1eb3ng CD l\u00e0: A. 3 B. 4 C. 24 D. 36 4. Trong ph\u00e9p chia c\u00f3 s\u1ed1 chia l\u00e0 6, s\u1ed1 d\u01b0 l\u1edbn nh\u1ea5t c\u1ee7a ph\u00e9p chia \u0111\u00f3 l\u00e0: A. 5 B. 6 C. 7 D. 8 5. H\u00ecnh b\u00ean c\u00f3 m\u1ea5y g\u00f3c vu\u00f4ng? A. 1 g\u00f3c vu\u00f4ng B. 2 g\u00f3c vu\u00f4ng C. 3 g\u00f3c vu\u00f4ng D. 4 g\u00f3c vu\u00f4ng 6. \u0110i\u1ec1n d\u1ea5u <, = , > v\u00e0o \u00f4 tr\u1ed1ng: 7 m 4 cm 74 m 6m 8 dm 68 dm 78 : 3 II. T\u1ef1 lu\u1eadn: 38 x 7 859 \u2013 474 B\u00e0i 1: \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: 67 + 723 .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... B\u00e0i 2: T\u00ecm x. 57 \u2013 x = 19 48 : x = 6 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 3: T\u00ednh: a) 45 : 5 + 762 b) 26 x 5 \u2013 34 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 4: Bao g\u1ea1o th\u1ee9 nh\u1ea5t c\u00e2n n\u1eb7ng 66 kg. Bao g\u1ea1o th\u1ee9 hai n\u1eb7ng g\u1ea5p 3 l\u1ea7n bao g\u1ea1o th\u1ee9 nh\u1ea5t. H\u1ecfi bao g\u1ea1o th\u1ee9 hai c\u00e2n n\u1eb7ng bao nhi\u00eau kil\u00f4gam? .................................................................................................................................... .................................................................................................................................... ....................................................................................................................................","\u0110\u1ec0 58 I.Tr\u1eafc nghi\u1ec7m : Khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: 1. S\u1ed1 g\u1ed3m 3 \u0111\u01a1n v\u1ecb 5 tr\u0103m 7 ch\u1ee5c vi\u1ebft l\u00e0 : A . 357 B. 573 C. 375 D. 537 C. 5 tr\u0103m D. 5 ngh\u00ecn 2. Ch\u1eef s\u1ed1 5 trong s\u1ed1 9853 ch\u1ec9 : A. 5 \u0111\u01a1n v\u1ecb B. 5 ch\u1ee5c 3. Li\u1ec1n tr\u01b0\u1edbc s\u1ed1 298 l\u00e0 s\u1ed1 : A. 299 B. 300 C. 289 D. 297 4. 4 hm = \u2026\u2026\u2026\u2026m A. 40 B. 4 C.400 D. 4000 5. So s\u00e1nh 6 m 3cm \u2026. 603 cm A. 6 m 3cm > 603 cm B. 6 m3cm = 603cm C. 6 m3cm < 603cm D. Kh\u00f4ng so s\u00e1nh \u0111\u01b0\u1ee3c 6.Trong ph\u00e9p chia c\u00f3 d\u01b0 v\u1edbi s\u1ed1 chia l\u00e0 6, s\u1ed1 d\u01b0 l\u1edbn nh\u1ea5t c\u1ee7a ph\u00e9p chia \u0111\u00f3 l\u00e0? A. 6 B. 4 C. 1 D. 7 II. T\u1ef1 lu\u1eadn: 1. T\u00ednh nh\u1ea9m: a) 42 : 6 = 6x8= 28 : 7 = 6x4= b) 63 : 7 = 7x5= 54 : 6 = 7x8= 2. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: a) 27 x 6 b) 45 x 7 c) 57 : 3 d) 68 : 4 .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... 3. M\u1ed9t c\u1eeda h\u00e0ng bu\u1ed5i s\u00e1ng b\u00e1n \u0111\u01b0\u1ee3c 24 ki - l\u00f4 - gam \u0111\u01b0\u1eddng. Bu\u1ed5i chi\u1ec1u b\u00e1n \u0111\u01b0\u1ee3c g\u1ea5p 4 l\u1ea7n bu\u1ed5i s\u00e1ng. H\u1ecfi c\u1eeda h\u00e0ng bu\u1ed5i chi\u1ec1u b\u00e1n \u0111\u01b0\u1ee3c bao nhi\u00eau ki - l\u00f4 - gam \u0111\u01b0\u1eddng? \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 4. \u0110o\u1ea1n th\u1eb3ng AB d\u00e0i 42cm, \u0111o\u1ea1n th\u1eb3ng CD c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng 1 \u0111\u1ed9 d\u00e0i \u0111o\u1ea1n th\u1eb3ng 7 AB. H\u00e3y v\u1ebd \u0111o\u1ea1n th\u1eb3ng CD. \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026","\u0110\u1ec0 59 Ph\u1ea7n I: Tr\u1eafc nghi\u1ec7m Khoanh v\u00e0o ch\u1eef \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: 1.S\u1ed1 g\u00f3c vu\u00f4ng c\u1ee7a h\u00ecnh t\u1ee9 gi\u00e1c b\u00ean l\u00e0: A. 1 B. 2 C. 3 D. 4 2. 2hm + 4dam = ? A. 24m B. 204m C. 240m D. 402m 3. Trong c\u00e1c ph\u00e9p chia c\u00f3 d\u01b0 v\u1edbi s\u1ed1 chia l\u00e0 7, s\u1ed1 d\u01b0 l\u1edbn nh\u1ea5t c\u1ee7a c\u00e1c ph\u00e9p chia \u0111\u00f3 l\u00e0: A. 7 B. 8 C. 5 D. 6 4. 1 c\u1ee7a 35m l\u00e0: 5 A. 8m B. 7m C. 6m D. 8m 5. K\u1ebft qu\u1ea3 c\u1ee7a 64 x 3 l\u00e0: A. 192 B. 182 C. 172 D. 162 6. \u0110\u00fang ghi \u0110, sai ghi S: 48 6 30 6 48 8 24 4 0 6 Ph\u1ea7n 2: T\u1ef1 lu\u1eadn B\u00e0i 1: T\u00ednh: 6x3= 6x4= 36 : 6 = 63 : 7 = 4x7= 7x7= 54 : 6 = 56 : 7 = B\u00e0i 2: \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: 365 + 418 628 - 275 47 x 7 48 : 4 .............. ............. ................ ................ .............. ............. ................ ................ .............. .............. ................ ................ .............. .............. ................ ................. B\u00e0i 3: T\u00ecm x : a) 36 : x = 4 b) x : 7 = 4 .................................................................................................................................... .................................................................................................................................... B\u00e0i 4: Con h\u00e1i \u0111\u01b0\u1ee3c 17 b\u00f4ng hoa, m\u1eb9 h\u00e1i \u0111\u01b0\u1ee3c g\u1ea5p 3 l\u1ea7n s\u1ed1 b\u00f4ng hoa c\u1ee7a con. H\u1ecfi m\u1eb9 h\u00e1i \u0111\u01b0\u1ee3c bao nhi\u00eau b\u00f4ng hoa? .................................................................................................................................... .................................................................................................................................... ....................................................................................................................................","\u0110\u1ec0 60 PH\u1ea6N I: Tr\u1eafc nghi\u1ec7m: Khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc \u0111\u00e1p \u00e1n \u0111\u00fang: 1. S\u1ed1 li\u1ec1n tr\u01b0\u1edbc c\u1ee7a 900 l\u00e0: A. 999 B. 899 C. 800 D. 898 2. 1 c\u1ee7a 42kg l\u00e0 bao nhi\u00eau ? 7 A. 6 B. 6kg C. 7kg D. 8kg 3. S\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o \u00f4 tr\u1ed1ng trong ph\u00e9p t\u00ednh : 6 = 12 l\u00e0 s\u1ed1 n\u00e0o ? A. 72 B. 32 C. 12 D. 42 4. \u0110o\u1ea1n th\u1eb3ng AB d\u00e0i 4cm, \u0111o\u1ea1n th\u1eb3ng CD d\u00e0i g\u1ea5p 6 l\u1ea7n \u0111o\u1ea1n th\u1eb3ng AB. H\u1ecfi \u0111o\u1ea1n th\u1eb3ng CD d\u00e0i bao nhi\u00eau ? A. 24mm B. 24 C. 24dm D. 24cm 5. M\u1ed7i tu\u1ea7n l\u1ec5 c\u00f3 7 ng\u00e0y , h\u1ecfi 4 tu\u1ea7n l\u1ec5 c\u00f3 t\u1ea5t c\u1ea3 bao nhi\u00eau ng\u00e0y ? A. 11 ng\u00e0y B. 24 ng\u00e0y C. 28 ng\u00e0y D. 32 ng\u00e0y 6. S\u1ed1 g\u00f3c vu\u00f4ng c\u00f3 trong h\u00ecnh v\u1ebd b\u00ean l\u00e0: A. 1 B. 2 C. 3 D. 4 PH\u1ea6N II: T\u1ef1 lu\u1eadn B\u00e0i 1: \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh : a) 541 - 127 b) 168 + 503 c) 35 x 6 d) 46 : 5 ........................ ....................... ........................ ............................. ........................ ....................... ....................... ............................. ........................ ....................... ...................... ............................. B\u00e0i 2: T\u00ecm x : a) 42 : x = 7 b) x x 6 = 30 ................................................ ........................................... ................................................ ........................................... B\u00e0i 3: T\u00ednh: a) 45 : 5 + 347 b) 26 x 5 - 34 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 4: M\u1ed9t c\u00f4ng vi\u1ec7c l\u00e0m b\u1eb1ng tay h\u1ebft 40 gi\u1edd, n\u1ebfu l\u00e0m b\u1eb1ng m\u00e1y th\u00ec th\u1eddi gian gi\u1ea3m 5 l\u1ea7n. H\u1ecfi l\u00e0m c\u00f4ng vi\u1ec7c \u0111\u00f3 b\u1eb1ng m\u00e1y th\u00ec h\u1ebft bao nhi\u00eau gi\u1edd? .................................................................................................................................... .................................................................................................................................... ....................................................................................................................................","\u0110\u1ec0 61 A. Ph\u1ea7n I: Tr\u1eafc nghi\u1ec7m Khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc k\u1ebft qu\u1ea3 \u0111\u00fang 1. Cho c\u00e1c s\u1ed1 : 399; 421; 573; 241; 735; 142.S\u1ed1 l\u1edbn nh\u1ea5t trong c\u00e1c s\u1ed1 tr\u00ean l\u00e0 : A. 573 B. 735 C. 142 D. 399 D. kh\u00f4ng c\u00f3 d\u1ea5u n\u00e0o 2. 5 x 7 .....5 x 6 , D\u1ea5u c\u1ea7n \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng l\u00e0 : A. < B. > C. = ; 3. C\u00f3 10 qu\u1ea3 cam x\u1ebfp v\u00e0o c\u00e1c \u0111\u0129a, m\u1ed7i \u0111\u0129a 2 qu\u1ea3. H\u1ecfi x\u1ebfp \u0111\u01b0\u1ee3c v\u00e0o m\u1ea5y \u0111\u0129a? A. 20 \u0111\u0129a B. 4 \u0111\u0129a C. 5 \u0111\u0129a D. 10 \u0111\u0129a 4. 5 g\u1ea5p 8 l\u1ea7n l\u00e0 : A. 40 B. 42 C. 45 D. 35 5. 4 x 6 + 7 = ? A. 17 B. 27 C. 31 D. 33 6. 1 c\u1ee7a 24m l\u00e0 : 6 A. 7m B. 6m C. 6 D. 4 m B. Ph\u1ea7n II: T\u1ef1 lu\u1eadn 1. \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh : a) 234 + 432 b) 765 \u2013 146 c) 28 x 6 d) 48 : 4 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 2 . T\u00ecm x : x: 6 = 9 x x 5 = 35 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 3. T\u00ednh: a) 7 x 8 \u2013 26 = \u2026\u2026\u2026\u2026\u2026 b) 48 : 4 + 25 =\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026............. 4. M\u1ed9t c\u1eeda h\u00e0ng c\u00f3 40 m v\u1ea3i xanh. C\u1eeda h\u00e0ng \u0111\u00e3 b\u00e1n \u0111\u01b0\u1ee3c 1 s\u1ed1 v\u1ea3i \u0111\u00f3. H\u1ecfi c\u1eeda 5 h\u00e0ng \u0111\u00e3 b\u00e1n m\u1ea5y m\u00e9t v\u1ea3i xanh? .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... ....................................................................................................................................","\u0110\u1ec0 62 I. Ph\u1ea7n tr\u1eafc nghi\u1ec7m :Khoanh tr\u00f2n v\u00e0o tr\u01b0\u1edbc ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc k\u1ebft qu\u1ea3 \u0111\u00fang. C\u00e2u 1: Trong c\u00e1c s\u1ed1 sau : 375, 421, 241, 735. S\u1ed1 b\u00e9 nh\u1ea5t l\u00e0 : A. 375 B. 735 C. 421 D.241 C\u00e2u 2 : 20: 2 x 3 = .......... S\u1ed1 c\u1ea7n \u0111i\u1ec1n v\u00e0o ch\u1ed7 ch\u1ea5m l\u00e0 : A.10 B. 30 C.20 D. 40 C\u00e2u 3 : S\u1ed1 d\u01b0 c\u1ee7a ph\u00e9p chia 37 : 5 l\u00e0: A.1 B. 2 C. 3 D. 4 C\u00e2u 4: 21: x = 7. S\u1ed1 \u0111i\u1ec1n v\u00e0o ch\u1eef x l\u00e0: A. 28 B. 147 C. 14 D. 3 C\u00e2u 5: S\u1ed1 h\u00ecnh tam gi\u00e1c trong h\u00ecnh v\u1ebd tr\u00ean l\u00e0; A.2 h\u00ecnh B. 3 h\u00ecnh C. 4 h\u00ecnh D. 5 h\u00ecnh C\u00e2u 6: C\u00f3 10 quy\u1ec3n v\u1edf, 1 s\u1ed1 quy\u1ec3n v\u1edf l\u00e0: C. 4 quy\u1ec3n v\u1edf D. 5 quy\u1ec3n v\u1edf 2 A. 2 quy\u1ec3n v\u1edf B.3 quy\u1ec3n v\u1edf II - Ph\u1ea7n t\u1ef1 lu\u1eadn: 1. \u0110\u1eb7t t\u00ednh r\u1ed1i t\u00ednh: a) 63 x 4 b) 27 x 6 c) 86: 2 d) 63 : 3 ................................................................................................................................. ................................................................................................................................. ................................................................................................................................. 2. T\u00ednh gi\u00e1 tr\u1ecb c\u1ee7a bi\u1ec3u th\u1ee9c: a) 7 + 6 + 18 = \u2026\u2026\u2026\u2026\u2026\u2026 b).42 : 7 + 5 =\u2026\u2026\u2026\u2026\u2026\u2026 3. T\u00ecm x: a) 20 : x = 5 b) x x 6 = 42 ................................................................................................................................. ................................................................................................................................. 4. Trong v\u01b0\u1eddn c\u00f3 63 c\u00e2y \u0103n qu\u1ea3, s\u1ed1 c\u00e2y \u0111\u00f3 l\u00e0 c\u00e2y b\u01b0\u1edfi . H\u1ecfi trong v\u01b0\u1eddn c\u00f3 bao nhi\u00eau c\u00e2y b\u01b0\u1edfi? .................................................................................................................................... .................................................................................................................................... ....................................................................................................................................","\u0110\u1ec0 S\u1ed0 63 Ph\u1ea7n I \u2013 Tr\u1eafc nghi\u1ec7m: (3 \u0111i\u1ec3m) C\u00e2u 1: (1 \u0111i\u1ec3m) T\u00ednh nh\u1ea9m: 6 x 3 = ........... 7 x 9 =........... 49 : 7 =........... 21 : 7 =........... 6 x 5 = ........... 7 x 5 =........... 54 : 6 =........... 36 : 6 = ........... 21 : 3 =........... 832cm 30hm C\u00e2u 2: (1 \u0111i\u1ec3m) \u0110i\u1ec1n d\u1ea5u th\u00edch h\u1ee3p v\u00e0o \u00f4 tr\u1ed1ng: 5m 5dm 505dm 8m 32cm 8m 35cm 832cm 57hm - 18hm C\u00e2u 3: (1 \u0111i\u1ec3m) Khoanh v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: a) H\u00ecnh b\u00ean c\u00f3: A. 2 g\u00f3c vu\u00f4ng, 3 g\u00f3c kh\u00f4ng vu\u00f4ng B. 3 g\u00f3c vu\u00f4ng, 2 g\u00f3c kh\u00f4ng vu\u00f4ng C. 4 g\u00f3c vu\u00f4ng, 1 g\u00f3c kh\u00f4ng vu\u00f4ng b) Gi\u00e1 tr\u1ecb c\u1ee7a d\u00e3y t\u00ednh 24 : 6 + 36 l\u00e0: A. 40 B. 30 C. 10 Ph\u1ea7n II \u2013 T\u1ef1 lu\u1eadn: (7 \u0111i\u1ec3m) C\u00e2u 4: (3 \u0111i\u1ec3m) \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh: a. 372 + 136 b. 694 - 237 c. 42 x 6 d. 90 : 3 C\u00e2u 5: (1 \u0111i\u1ec3m) T\u00ecm x a) x - 120 = 85 b) 28 : x = 7 ..................................................................................................................................... ................................................................................................................. C\u00e2u 6: (2,5 \u0111i\u1ec3m) M\u1ed9t quy\u1ec3n truy\u1ec7n tranh d\u00e0y 48 trang. An \u0111\u00e3 \u0111\u1ecdc \u0111\u01b0\u1ee3c 1 s\u1ed1 4 trang \u0111\u00f3. H\u1ecfi An \u0111\u00e3 \u0111\u1ecdc \u0111\u01b0\u1ee3c bao nhi\u00eau trang? ..................................................................................................................................... ..................................................................................................................................... ....................................................................................................... C\u00e2u 7: (0,5 \u0111i\u1ec3m) Vi\u1ebft c\u00e1c s\u1ed1 c\u00f3 3 ch\u1eef s\u1ed1 m\u00e0 t\u1ed5ng c\u1ee7a 3 ch\u1eef s\u1ed1 \u0111\u00f3 b\u1eb1ng 3. ..................................................................................................................................... .....................................................................................................................................","\u0110\u1ec0 S\u1ed0 64 I. Tr\u1eafc nghi\u1ec7m B\u00e0i 1 (1 \u0111i\u1ec3m): Khoanh tr\u00f2n v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: a, Gi\u00e1 tr\u1ecb c\u1ee7a ch\u1eef s\u1ed1 3 trong s\u1ed1 538 l\u00e0: A.3 B.30 C.300 D.538 b, 3 ch\u1ee5c + 8 ch\u1ee5c = A. 11 B. 30 C. 80 D. 110 c, 15 ch\u1ee5c \u2013 6 ch\u1ee5c = A. 15 ch\u1ee5c B. 6 ch\u1ee5c C. 90 D. 9 B\u00e0i 2: (0,5 \u0111i\u1ec3m) Vi\u1ebft c\u00e1c s\u1ed1 567; 765; 657; 665 theo th\u1ee9 t\u1ef1 t\u1eeb l\u1edbn \u0111\u1ebfn b\u00e9: \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. B\u00e0i 3: Khoanh v\u00e0o ch\u1eef c\u00e1i \u0111\u1eb7t tr\u01b0\u1edbc c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang: (1 \u0111i\u1ec3m) a) Trong h\u00ecnh tr\u00ean c\u00f3: S\u1ed1 h\u00ecnh tam gi\u00e1c l\u00e0: D. 6 A. 3 B. 4 C. 5 D. 1 b) Trong h\u00ecnh tr\u00ean c\u00f3: S\u1ed1 h\u00ecnh ch\u1eef nh\u1eadt l\u00e0 l\u00e0: A. 4 B. 3 C. 2 II. T\u1ef1 lu\u1eadn 500 + 200 = \u2026\u2026\u2026\u2026. B\u00e0i 4: (1 \u0111i\u1ec3m) T\u00ednh nh\u1ea9m: 600 + 400 = \u2026\u2026\u2026\u2026 4 x 8 = \u2026\u2026\u2026\u2026 900 \u2013 300 = \u2026\u2026\u2026\u2026.. 1000 \u2013 700 = \u2026\u2026\u2026\u2026 35: 5 = \u2026\u2026\u2026\u2026 B\u00e0i 5: \u0110\u1eb7t t\u00ednh v\u00e0 t\u00ednh: (2 \u0111i\u1ec3m) 474 + 463 820 + 91 453 + 152 784 + 133 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 6: (2 \u0111i\u1ec3m)a) T\u00ednh chu vi tam gi\u00e1c c\u00f3 \u0111\u1ed9 d\u00e0i c\u00e1c c\u1ea1nh l\u00e0 22cm, 46cm, 25cm. B\u00e0i gi\u1ea3i \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026","\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 b) C\u00f3 36 h\u1ecdc sinh x\u1ebfp th\u00e0nh 4 h\u00e0ng. H\u1ecfi m\u1ed7i h\u00e0ng c\u00f3 m\u1ea5y h\u1ecdc sinh? B\u00e0i gi\u1ea3i \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 7: (1 \u0111i\u1ec3m) Kh\u1ed1i l\u1edbp hai c\u00f3 167 h\u1ecdc sinh. Kh\u1ed1i l\u1edbp ba c\u00f3 127 h\u1ecdc sinh. H\u1ecfi c\u1ea3 hai kh\u1ed1i c\u00f3 bao nhi\u00eau h\u1ecdc sinh? B\u00e0i gi\u1ea3i \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 8: (1 \u0111i\u1ec3m) a\/ \u0110\u1ecdc c\u00e1c s\u1ed1 sau: 205:\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026. 535:\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. b\/ Vi\u1ebft c\u00e1c s\u1ed1 sau: N\u0103m tr\u0103m ba m\u01b0\u01a1i:\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 M\u1ed9t tr\u0103m hai m\u01b0\u01a1i l\u0103m:\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 9. T\u00ecm X: 400 + X = 200 x 3 245 - X = 180 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 B\u00e0i 10: (1 \u0111i\u1ec3m) T\u00ecm 1 s\u1ed1 bi\u1ebft r\u1eb1ng s\u1ed1 \u0111\u00f3 c\u1ed9ng v\u1edbi 20 r\u1ed3i c\u1ed9ng v\u1edbi 55 th\u00ec \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 l\u00e0 87 \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026.\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026 \u2026\u2026\u2026.\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026","\u0110\u1ec0 S\u1ed0 65 A. PH\u1ea6N TR\u1eaeC NGHI\u1ec6M (2\u0111i\u1ec3m): Khoanh v\u00e0o c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang C\u00e2u 1: S\u1ed1 g\u1ed3m c\u00f3 9 tr\u0103m v\u00e0 9 \u0111\u01a1n v\u1ecb l\u00e0 s\u1ed1: A. 909 B. 99 C. 990 D. 999 D. 10 C\u00e2u 2: B\u00ecnh t\u00ednh 0: 7 x 1 c\u00f3 k\u1ebft qu\u1ea3 l\u00e0? D. 301 A. 7 B. 1 C. 0 C\u00e2u 3: S\u1ed1 li\u1ec1n tr\u01b0\u1edbc s\u1ed1 300 l\u00e0: A. 200 B. 299 C. 400 C\u00e2u 4: S\u1ed1 tr\u00f2n tr\u0103m l\u1edbn h\u01a1n 500 c\u00f3 t\u1ea5t c\u1ea3: A. 2 s\u1ed1 B. 5 s\u1ed1 C. 3 s\u1ed1 D. 4 s\u1ed1 B. PH\u1ea6N T\u1ef0 LU\u1eacN B\u00e0i 1 (2 \u0111i\u1ec3m): \u0110\u1eb7t t\u00ednh r\u1ed3i t\u00ednh 701 - 490 211 + 569 29 x 7 36 : 5 .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... B\u00e0i 2 (2 \u0111i\u1ec3m): T\u00ednh 7 x 9 + 308 = ............................... 36 : 3 x 6 =........................ ....................................................... ..................................................... B\u00e0i 3 (1 \u0111i\u1ec3m): T\u00ecm X: a; X : 7 = 14 b; X x 6 = 36 B\u00e0i 4 : (2 \u0111i\u1ec3m) Kh\u1ed1i l\u1edbp Ba c\u00f3 250 h\u1ecdc sinh. Kh\u1ed1i l\u1edbp Hai c\u00f3 225 h\u1ecdc sinh. H\u1ecfi Kh\u1ed1i l\u1edbp Ba c\u00f3 nhi\u1ec1u h\u01a1n Kh\u1ed1i l\u1edbp Hai bao nhi\u00eau h\u1ecdc sinh? .................................................................................................................................... .................................................................................................................................... .................................................................................................................................... B\u00e0i 5 (1 \u0111i\u1ec3m): T\u00ednh hi\u1ec7u, bi\u1ebft s\u1ed1 b\u1ecb tr\u1eeb l\u00e0 s\u1ed1 l\u1edbn nh\u1ea5t c\u00f3 ba ch\u1eef s\u1ed1 v\u00e0 s\u1ed1 tr\u1eeb l\u00e0 900. .................................................................................................................................... .................................................................................................................................... ...................................................................................................................................."]