6.38-3/4+2.62-25%怎么简算急!
问题描述:
6.38-3/4+2.62-25%怎么简算急!
答
6.38+2.62=9
3/4+25%=1
6.38-3/4+2.62-25%=(6.38+2.62)-(3/4+25%)=8