1-5⼀12+7⼀12等于几又几分之几

1-5/12+7/12等于几又几分之几
2024-12-25 13:29:19
推荐回答(2个)
回答1:


回答2:

1-5/12+7/12
=12/12-5/12+7/12
=7/12+7/12
=14/12
=7/6
=1又1/6