7⼀12+5⼀8-1⼀2简算

2025-05-15 19:37:43
推荐回答(3个)
回答1:

l/24x24x(7/12十5/8一l/2)=l/24X(14十15一|2)=|7/24

回答2:

7/12+5/8-1/2
=7/12+5/8-6/12
=7/12-6/12+5/8
=1/12+5/8
=2/24+15/24
=17/24

回答3:

14/24+15/24-12/24=17/24