5.4*3.7+5.4*5.4*5.3等于简便算法
问题描述:
5.4*3.7+5.4*5.4*5.3等于简便算法
答
5.4*3.7+5.4+5.4*5.3
=5.4*(3.7+5.3+1)
5.4*10
=54