X
xj.zaj_dkny
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
[tex] x^2 - 2x -3 = ln^{x^2 - 4x + 3} +6 [/tex]
lam gjup em vs nha, sao may pai nay kho vay troj, hay tai moj ho nen no vay ta ?
lam gjup em vs nha, sao may pai nay kho vay troj, hay tai moj ho nen no vay ta ?
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