5.25*8.2+5.25*0.8+5.25 简算
问题描述:
5.25*8.2+5.25*0.8+5.25 简算
答
5.25*8.2+5.25*0.8+5.25
=5.25(8.2+0.8+1)
=5.25*10
=52.5