用简便算法计算：0.125×3.2-0.25×0.16=

分类: 作业答案 • 2021-12-20 01:22:28

问题描述：

答

0.125×3.2-0.25×0.16
=0.25×1.6-0.25×0.16
=0.25×(1.6-0.16)
=0.25×1.44
=0.36

答

0.125×3.2-0.25×0.16
=0.125×8×0.4-0.25×4×0.04
=0.4-0.04
=0.36

答

0.125×3.2-0.25×0.16
=0.125*8*0.4-0.25*4*0.04
=1*0.4-1*0.04
=0.4-0.04
=0.36