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1.25x2.5x0.32用简便方式法计算怎么做

解: 1.25x2.5x0.32 =(1.25*0.8)(2.5*0.4) =1*1 =1

2.5*0.4*0.8*1.25 1*1 1

2.5x1.25x0.32 =2.5×1.25×(0.4×0.8) =(2.5×0.4)×(1.25×0.8) =1×1 =1

=0.04×8×2.5×1.25 =0.04×2.5×8×1.25 =0.1×10 =1

2.5x0.32x1.25 =(2.5x0.4)x(0.8x1.25) =10x1 =10

1.25x(1.75 -0.32-0.75) =1.25x(1 -0.32) =1.25x(1 -0.8x0.4) =1.25 -(1.25x0.8)x0.4 =1.25 -0.4 =0.85

1.5×0.32×1.25 =(1.5×0.4)×(0.8×1.25) =0.6×1 =0.6 5.24+5.24×99 =5.24×(1+99) =5.24×100 =524 0.8×[13-(3.12+5.28)] =0.8×(13-8.4) =0.8×4.6 =(1-0.2)×4.6 =4.6-0.92 =3.68 7.45×5.2÷2.6 =7.45×(5.2÷2.6) =7.45×2 =14.9

0.32拆成0.4×0.8 2.5×0.4=1 1.25×0.8=1 所以结果是1

解:根据拆分法和结合律的运用, 原式=1.25x(0.8x0.4)x0.25 =(1.25x0.8)x(0.4x0.25) =1x0.1 =0.1

解: 1.25✘0.32✘0.25 =1.25*0.08*4*0.25 =0.1*(4*0.25) =0.1

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