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Tìm GTNN của: $A=\sqrt{x}+\sqrt{y}$

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MathGuy

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Cho $x,y> 0$ và $\sqrt{x+3}+\sqrt{y+3}=4$. Tìm GTNN của: $A=\sqrt{x}+\sqrt{y}$
 


Edited by tienduc, 21-05-2018 - 20:40.






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