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5.7÷0.15要竖式和验算

7.15÷0.5=14.3,竖式计算如下:

0.633333.......

7.25×5.3的竖式和验算 7.25×5.3=38.425 验算: 5.3×7.25=38.425

5×1.8=9.0. 1.8× 5 . 9.0 56÷0.7=80. 8 0 75 6 0 5 6 0

2.5÷0.7≈3.571; 3.5714 725 21 4 0 3 5 50 49 10 7 30 28 210.1÷3.3=3.?0?6; 3.0606 33101 99 2 00 1 98 200 198 210.75÷12.5=0.86; 0.86 125107.5 100 0 7 50 7 50 0验算: 1 2.5×0.8 6 .

5*7=3535/9=3.89

75÷5=15,42÷3=14,91÷7=13,

计算过程如下: 17.5+7.2÷0.6 =17.5+12 =29.5

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