T
thanhmai2000vn


1/ $\frac{1}{1+\sqrt{2}}$ + $\frac{1}{\sqrt{2}+\sqrt{3}}$+....+$\frac{1}{\sqrt{99}+\sqrt{100}}$
2/ $\sqrt{6+\sqrt{6+\sqrt{6+.....}}}$
3/ $\frac{2+\sqrt{3}}{\sqrt{2}+\sqrt{2+\sqrt{3}}}$ + $\frac{2-\sqrt{3}}{\sqrt{2}-\sqrt{2-\sqrt{3}}}$
4/ (4 - $\sqrt{15}$).( $\sqrt{10}+\sqrt{6}). \sqrt{4+\sqrt{15}}$
2/ $\sqrt{6+\sqrt{6+\sqrt{6+.....}}}$
3/ $\frac{2+\sqrt{3}}{\sqrt{2}+\sqrt{2+\sqrt{3}}}$ + $\frac{2-\sqrt{3}}{\sqrt{2}-\sqrt{2-\sqrt{3}}}$
4/ (4 - $\sqrt{15}$).( $\sqrt{10}+\sqrt{6}). \sqrt{4+\sqrt{15}}$
Last edited by a moderator: