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6 2 =3 72 9 = 8 60 2 = 30 720 9 = 80 600 2 = 300 7,200 9 = 800 6,000 2 = 3,000 72,000 9 = 8,000



3 639 7 5523463 213 0 74 9 = 639 = 5,243

5 33728 6 33936 7 075 0661 = 639 = 3,967

9 1 178763 110 8 9102040 0 2 01 9701 11 2 500

420 60 = 7 240 30 = 8 4,200 60 = 70 2,400 30 = 80 42,000 60 = 700 24,000 30 = 800 420,000 60 = 7,000 240,000 30 = 8,000

360 ÷ 60 = 6 560 ÷ 80 = 7 3,600 ÷ 60 = 60 5,600 ÷ 80 = 70 36,000 ÷ 60 = 600 56,000 ÷ 80 = 700 360,000 ÷ 60 = 6,000 560,000 ÷ 80 = 7,000

210 ÷ 70 = 3 4,000 ÷ 80 = 50 28,000 ÷ 40 = 700 12,000 ÷ 30 = 400 54,000 ÷ 60 = 900 2,500 ÷ 50 = 50