通分__x ,___2__ 3(y-1) __x ,___2___3(y-1) 6-6y
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 04:52:23
![通分__x ,___2__ 3(y-1) __x ,___2___3(y-1) 6-6y](/uploads/image/z/13852859-59-9.jpg?t=%E9%80%9A%E5%88%86__x+%2C___2__+3%28y-1%29+__x+%2C___2___3%28y-1%29+6-6y)
通分__x ,___2__ 3(y-1) __x ,___2___3(y-1) 6-6y
通分__x ,___2__ 3(y-1)
__x ,___2___
3(y-1) 6-6y
通分__x ,___2__ 3(y-1) __x ,___2___3(y-1) 6-6y
前一个不变x/3(y-1) 后一个先约分然后提负号即可 -1/3(y-1)