22×3⼀4+25×75%-7×0⼀75 怎么简便计算

2024-11-05 13:39:38
推荐回答(5个)
回答1:

回答2:

=22×0.75+25×0.75-7×0.75
=(22+25-7)×0.75
=40×0.75
=30

回答3:

(22+25-7)*0.75=30

回答4:

(22+25-7)×0.75

回答5:

(22+25-7)x0.75
=40x0.75
=30