1.6*7.5*1.25简便计算
问题描述:
1.6*7.5*1.25简便计算
答
=0.2x7.5x8x1.25
=1.5x10
=15
1.6*7.5*1.25简便计算
=0.2x7.5x8x1.25
=1.5x10
=15