简便算法 64.3*0.75+34.7*4分之3+0.75
问题描述:
简便算法 64.3*0.75+34.7*4分之3+0.75
答
64.3*0.75+34.7*4分之3+0.75
=0.75*(64.3+34.7+1)
=0.75*100
=75