

Bài 1 tính
a) [tex]\frac{3}{\sqrt{2}+\sqrt{2+\sqrt{3}}}[/tex]
b) [tex]\frac{3}{\sqrt{3}}+\frac{3}{1-\sqrt{3}}+\sqrt{(4\sqrt{3-3})^{2}}[/tex]
a) [tex]\frac{3}{\sqrt{2}+\sqrt{2+\sqrt{3}}}[/tex]
b) [tex]\frac{3}{\sqrt{3}}+\frac{3}{1-\sqrt{3}}+\sqrt{(4\sqrt{3-3})^{2}}[/tex]