7⼀12加括号7⼀8减3⼀4括号能简算的,要简算

2025-02-28 02:59:55
推荐回答(2个)
回答1:

7/12+(7/8-3/4)
=7/12+(7/8-6/8)
=7/12+1/8
=14/24+3/24
=17/24

回答2:

十二分之十七