一道算式:58+0.25(350-150) =58+0.25
问题描述:
一道算式:58+0.25(350-150) =58+0.25
一道算式:58+0.25(350-150)
=58+0.25×200
=58+50
=108
可是为何原式=58+82.5-37.5
=58-37.5+82.5
=20.5+82.5
=103
为什么
答
同学,0,25*350=87.5哟,你少算了5.