4.6-2.75+8.73-7.25用简便计算怎么算
问题描述：
4.6-2.75+8.73-7.25用简便计算怎么算
答
=4.6-(2.75+7.25)+8.73
=4.6-10+8.73
=4.6+8.73-10
=13.33-10
=3.33