(1.25*8-0.2)*5简算
问题描述:
(1.25*8-0.2)*5简算
答
(10-0.2)*5
=10*5-0.2*5
50-1
49
(1.25*8-0.2)*5简算
(10-0.2)*5
=10*5-0.2*5
50-1
49