12分之19减2分之1减2分之1等于几分之几列式?

2025-03-12 20:04:54
推荐回答(2个)
回答1:

列式如下:
19/12-1/2-1/2
=19/12-(1/2+1/2)
=19/12-1
=7/12

回答2:

19/12-1/2-1/2
=19/12-(1/2+1/2)
=19/12-1
=7/12