6.75×40%+27/4×36%+6.75×6/25简便运算

问题描述:

6.75×40%+27/4×36%+6.75×6/25简便运算

6.75×40%+27/4×36%+6.75×6/25
=6.75×(0.4+0.36+0.24)
=6.75×1
=6.75