能简便的要简便计算.86×2/85
问题描述:
能简便的要简便计算.86×2/85
答
86×2/85
=(85+1)×2/85
= 2 +2/85
= 2又2/85
能简便的要简便计算.86×2/85
86×2/85
=(85+1)×2/85
= 2 +2/85
= 2又2/85