简便计算36乘47+82乘94
问题描述:
简便计算36乘47+82乘94
答
36乘47+82乘94
=1693+7708 =9401
答
简便计算是这样算的:
36*47+82*94
=18*2*47+82*94
=18*94+82*94
=(18+82)*94
=100*94
=9400