N
nhok_susuri


1:Rút gọn biểu thức
a)[TEX]\sqrt{2}.\sqrt{2-\sqrt{3}}.(\sqrt{3}+1)[/TEX]
b)[TEX]\sqrt{2-\sqrt{3}}.(\sqrt{6}-\sqrt{2}).(2+\sqrt{3})[/TEX]
2:Tính
a)[TEX](2\sqrt{3}-3\sqrt{2})^2+2\sqrt{6}+3\sqrt{24}[/TEX]
b)[TEX]\sqrt{25-16}-6\sqrt{\frac{1}{3}}-\frac{2}{1+\sqrt{3}}[/TEX]
c)[TEX]\sqrt{7+2\sqrt{10}}-\sqrt{7-2\sqrt{10}}[/TEX]
a)[TEX]\sqrt{2}.\sqrt{2-\sqrt{3}}.(\sqrt{3}+1)[/TEX]
b)[TEX]\sqrt{2-\sqrt{3}}.(\sqrt{6}-\sqrt{2}).(2+\sqrt{3})[/TEX]
2:Tính
a)[TEX](2\sqrt{3}-3\sqrt{2})^2+2\sqrt{6}+3\sqrt{24}[/TEX]
b)[TEX]\sqrt{25-16}-6\sqrt{\frac{1}{3}}-\frac{2}{1+\sqrt{3}}[/TEX]
c)[TEX]\sqrt{7+2\sqrt{10}}-\sqrt{7-2\sqrt{10}}[/TEX]