0.75乘4.75加4又4分之3加4又4分之3乘4.25等于几

问题描述:

0.75乘4.75加4又4分之3加4又4分之3乘4.25等于几

0.75乘4.75加4又4分之3加4又4分之3乘4.25
=0.75×4.75+4.75+4.75×4.25
=4.75×﹙0.75+1+4.25)
=4.75×6
=28.5