

Tính :
[tex]\sqrt{2+\sqrt{3}}[/tex] [tex]\sqrt{2+\sqrt{2+\sqrt{3}}}[/tex] [tex]\sqrt{2+\sqrt{2+\sqrt{2+\sqrt{3}}}}[/tex] [tex]\sqrt{2-\sqrt{2+\sqrt{2+\sqrt{3}}}}[/tex]
[tex]\sqrt{2+\sqrt{3}}[/tex] [tex]\sqrt{2+\sqrt{2+\sqrt{3}}}[/tex] [tex]\sqrt{2+\sqrt{2+\sqrt{2+\sqrt{3}}}}[/tex] [tex]\sqrt{2-\sqrt{2+\sqrt{2+\sqrt{3}}}}[/tex]