72.1×0.6×1.25简便计算
问题描述：
72.1×0.6×1.25简便计算
答
0.6×1.25×72.1
=0.75×72.1
=54.075
72.1×0.6×1.25简便计算
0.6×1.25×72.1
=0.75×72.1
=54.075