tính : \(a,\sqrt{3-4\sqrt{\text{5}}}-\sqrt{9+\sqrt{30}}\) l,\(\sqrt{31-8\sqrt{1\text{5}}}+\sqrt{24-6\sqrt{1\text{5}}}\)b,\(\sqrt{17-12\sqrt{2}}-\sqrt{24-8\sqrt{8}}\) m,\(\sqrt{49-\text{5}\sqrt{96}}-\sqrt{49+\text{5}\sqrt{96}}\)\(c,\sqrt{3+2\sqrt{2}}-\sqrt{6-4\sqrt{2}}\) ...
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tính : \(a,\sqrt{3-4\sqrt{\text{5}}}-\sqrt{9+\sqrt{30}}\) l,\(\sqrt{31-8\sqrt{1\text{5}}}+\sqrt{24-6\sqrt{1\text{5}}}\)
b,\(\sqrt{17-12\sqrt{2}}-\sqrt{24-8\sqrt{8}}\) m,\(\sqrt{49-\text{5}\sqrt{96}}-\sqrt{49+\text{5}\sqrt{96}}\)
\(c,\sqrt{3+2\sqrt{2}}-\sqrt{6-4\sqrt{2}}\) n, \(\sqrt{3+2\sqrt{2}}+\sqrt{\text{5}-2\sqrt{4}}\)
d,\(\sqrt{8+2\sqrt{1\text{5}}}-\sqrt{8-2\sqrt{1\text{5}}}\)
f,\(\sqrt{17-3\sqrt{32}}+\sqrt{17+3\sqrt{32}}\)
g,\(\sqrt{6+2\sqrt{\text{5}}}+\sqrt{6-2\sqrt{\text{5}}}\)
h,\(\sqrt{11+6\sqrt{2}}-\sqrt{11-6\sqrt{2}}\)
k,\(\sqrt{1\text{5}-6\sqrt{6}}+\sqrt{33-12\sqrt{6}}\)