1.25乘6.17加0.125乘18.3简便方法

问题描述:

1.25乘6.17加0.125乘18.3简便方法

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