101×51.8-1.25×51.8×0.8怎么简便计算?(要写过程)
问题描述:
101×51.8-1.25×51.8×0.8怎么简便计算?(要写过程)
答
101×51.8-1.25×51.8×0.8
=51.8*(101-1.25*0.8)
=51.8*100
=5180