$\sqrt{4-2\sqrt{3}} -\dfrac{2}{\sqrt{3}+1} + \dfrac{\sqrt{3}-3}{\sqrt{3}-1}=\sqrt{3-2\sqrt{3}+1}-\dfrac{2.(\sqrt{3}-1)}{2}-\sqrt{3}$
$=\sqrt{3} -1 -(\sqrt{3}-1) -\sqrt{3}=-\sqrt{3}$
Có gì khúc mắc e hỏi lại c nhé <3
$\sqrt{4-2\sqrt{3}} -\dfrac{2}{\sqrt{3}+1} + \dfrac{\sqrt{3}-3}{\sqrt{3}-1}=\sqrt{3-2\sqrt{3}+1}-\dfrac{2.(\sqrt{3}-1)}{2}-\sqrt{3}$
$=\sqrt{3} -1 -(\sqrt{3}-1) -\sqrt{3}=-\sqrt{3}$
Có gì khúc mắc e hỏi lại c nhé <3