8-4.68÷4.5×(0.25+0.5)的简便计算
问题描述:
8-4.68÷4.5×(0.25+0.5)的简便计算
答
8-4.68÷4.5×(0.25+0.5)
=8-1.04×0.75
=8-0.78
=7.22