5⼀12-7⼀18+4⼀9简便计算?

2024-12-03 14:51:10
推荐回答(2个)
回答1:

5/12-7/18+4/9
=5/12-7/18+8/18
=5/12+1/18
=15/36+2/36
=17/36

回答2:

8/12,减7/18+4/9