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hoailinhminho
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Cho a,b,c là 3 cạnh của t tam giác
c/m: $a(b-c)^2$ + $b(c-a)^2$ + $c(a+b)^2$ > $a^3 + b^3 + c^3$
c/m: $a(b-c)^2$ + $b(c-a)^2$ + $c(a+b)^2$ > $a^3 + b^3 + c^3$
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