5.4乘以0.75除以1.5等于多少.简便计算.
问题描述:
5.4乘以0.75除以1.5等于多少.简便计算.
答
5.4×0.75÷1.5
=5.4×(0.75÷1.5)
=5.4×0.5
=2.7