8.6减去6.2的差乘1.5,所得的积除4.5,商是多少?
问题描述:
8.6减去6.2的差乘1.5,所得的积除4.5,商是多少?
答
4.5÷[(8.6-6.2)×1.5]
=4.5÷[2.4×1.5]
=4.5÷3.6
=1.25