L
longrong30
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Giả sử x=a/m,y=b/m(a,b,m thuộc Z,m>0)và x<y.Hay chung to rang neu ta chon z=a+b/m thi ta co x<z<y.
MInh chua lam dc mong cac ban co the giang cho to hieu!Cam on![Confused :confused: :confused:](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
MInh chua lam dc mong cac ban co the giang cho to hieu!Cam on