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12.5×3.2×2.5简便运算

2.5乘3.2乘12.5 =(2.5x4)x(0.8x12.5) =10x10 =100 亲,请【采纳答案】,您的采纳是我答题的动力,谢谢。

12.5×3.2×2.5 =12.5×8×(0.4×2.5) =100×1 =100

12.5X3.2X2.5简便计算 解: 12.5X8X(0.4X2.5) =100X1 =100

计算: 2.5×3.2×12.5 =2.5x4x0.8x12.5 =10x10 =100

12.5×3.2×2.5 =12.5×8×0.4×2.5 =(12.5×8)×(0.4×2.5) =100×1 =100

=12.5×8×0.4×2.5 =100×1 =100

解: 3.2X12.5X2.5 =0.8X12.5 X 2.5X4 =10X10 =100 满意请采纳

12.5×2点5×3点2 ==(12.5×8)×(2.5×0.4) =100×1 =100

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