不等式1/(x-y)+1/(y-z)y>z,且1/(x-y)+1/(y-z)
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不等式1/(x-y)+1/(y-z)y>z,且1/(x-y)+1/(y-z)
不等号右边a/z-x应为a/(z-x)
不等号右边a/z-x应为a/(z-x)
![不等式1/(x-y)+1/(y-z)y>z,且1/(x-y)+1/(y-z)](/uploads/image/z/20049898-58-8.jpg?t=%E4%B8%8D%E7%AD%89%E5%BC%8F1%2F%EF%BC%88x-y%EF%BC%89%2B1%2F%EF%BC%88y-z%EF%BC%89y%3Ez%2C%E4%B8%941%2F%EF%BC%88x-y%EF%BC%89%2B1%2F%EF%BC%88y-z%EF%BC%89)
1/(x-y)+1/(y-z)=a
(y-x)/(y-z)+(z-y)/(x-y)-2>=a
-[(x-y)/(y-z)+(y-z)/(x-y)+2]
(y-x)/(y-z)+(z-y)/(x-y)-2>=a
-[(x-y)/(y-z)+(y-z)/(x-y)+2]
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