2.25*5分之3+1.75*0.6+60%

问题描述:

2.25*5分之3+1.75*0.6+60%

2.25*5分之3+1.75*0.6+60%
=(2.25+1.75+1)*0.6
=4*0.6
=2.4

2.25×5分之3+1.75×0.6+60%
=0.6×(2.25+1.75+1)
=0.6×5
=3