(25*0.25)*40简便计算
问题描述:
(25*0.25)*40简便计算
答
(25*0.25)*40
=25x40x0.25
=1000x0.25
=250
(25*0.25)*40简便计算
(25*0.25)*40
=25x40x0.25
=1000x0.25
=250