6.5\4+3.5x0.25简便计算
问题描述:
6.5\4+3.5x0.25简便计算
答
6.5/4+3.5×0.25
=6.5×0.25+3.5×0.25
=(6.5+3.5)×0.25
=10×0.25
=2.5