0.75×38+75%×60简算
问题描述:
0.75×38+75%×60简算
答
0.75×38+75%×60
=0.75×38+0.75×60
=0.75×(38+60)
=0.75×(100-2)
=0.75×100-0.75×2
=75-1.5
=13.5