6.75-(9.54-3.25)的简便计算
问题描述:
6.75-(9.54-3.25)的简便计算
答
6.75+3.25-9.54=0.46
答
6.75-(9.54-3.25)
=6.75+3.25-9.54
=10-9.54
=0.46