0.125乘0.25乘(8+0.4)怎么简便

分类: 作业答案 • 2021-12-24 16:19:29

问题描述：

答

=0.125×0.25×8+0.125×0.25×0.4
=(0.125×8)×0.25+0.125×(0.25×0.4)
=1×0.25+0.125×0.1
=0.25+0.0125
=0.2625