12.8/0.25/2/0.2简便算法
问题描述:
12.8/0.25/2/0.2简便算法
答
12.8/0.25/2/0.2
=12.8/(0.25*2*0.2)
=12.8/(0.5*0.2)
=12.8/0.1
=128