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3.6.×2.4÷0.5×20%的简便算法

0.25x38+0.5 =0.25x38+0.25x2 =0.25x(38+2) =0.25x...

=49÷5-(3.2×1+3.2×0.5) =(50÷5-1÷5)-(3.2+1.6) =(10-0...

列式计算为 7.2÷(1.6÷0.5) =7.2÷3.2 =2.25 所以原式的计算结果为2...

2.85÷[(0.3+0.6)×5] =2.85÷[0.9×5] =2.85÷0.9÷5 =2...

详细步骤写在纸上了

0.5×0.2×(2.5×4)望采纳谢谢

先等12.5/(2.5x0.4)然后等于12.5/1然后又等于12.5

2.6/0.5-5.2×0.5 = 2.6×2-2.6 =2.6

8.1÷(0.5×0.3) =8.1÷0.3÷0.5 =27÷0.5 =54

简便方法计算如下: [52.8×5-3.9343]÷0.5 =[52.8×5-3.9343]x...

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