1.25乘6.17加0.125乘18.3简便方法

分类: 作业答案 • 2021-12-03 14:39:19

问题描述：

答

1.25乘6.17加0.125乘18.3
= 1.25*6.17+ 0.125*18.3
=1.25*6.17+ 1.25*1.83
=1.25*(6.17+ 1.83)
=1.25*8
=10