0.48-3/4+2.52-25%简便计算
问题描述:
0.48-3/4+2.52-25%简便计算
答
0.48-3/4+2.52-25%=0.48-0.75+2.52-0.25
=(0.48+2.52)-(0.75+0.25)
=3-1
=2