N
ntt09


1.
[TEX] 2\sqrt{27}-6sqrt{\frac{4}{3}} +\frac{3}{5}\sqrt{75}[/TEX]
2.
[TEX] \frac{1}{\sqrt{2}+\sqrt{2+\sqrt{3}}}+\frac{1}{\sqrt{2}-\sqrt{2-\sqrt{3}}}[/TEX]
taks nhiều nha @};-
[TEX] 2\sqrt{27}-6sqrt{\frac{4}{3}} +\frac{3}{5}\sqrt{75}[/TEX]
2.
[TEX] \frac{1}{\sqrt{2}+\sqrt{2+\sqrt{3}}}+\frac{1}{\sqrt{2}-\sqrt{2-\sqrt{3}}}[/TEX]
taks nhiều nha @};-