76乘以77分之3简便计算
问题描述:
76乘以77分之3简便计算
答
76x3/77=(77-1)x3/77=3-3/77=2又74/77
答
76乘以77分之3
=76x3/77
=(77-1)x3/77
=77x3/77-1x3/77
=3-3/77
=2又74/77