7.95-17⼀2-6.95脱式计算是怎么算?

2025-03-22 16:37:31
推荐回答(2个)
回答1:

=7.95-6.95-8.5

=1-8.5

=-7.5

回答2:

交换律
7.95-17/2-6.95
=7.95-6.95-17/2
=1-8.5
=-7.5