Tính (căn6-căn5)^2

(65)211+230\left(\sqrt{6}-\sqrt{5}\right)^2-\sqrt{11+2\sqrt{30}}

8+2158215\sqrt{8+2\sqrt{15}}-\sqrt{8-2\sqrt{15}}

11+471465\sqrt{11+4\sqrt{7}}-\sqrt{14-6\sqrt{5}}

2212219+62\sqrt{22-12\sqrt{2}}-\sqrt{19+6\sqrt{2}}

63+12+123+21\sqrt{-6\sqrt{3}+12}+\sqrt{-12\sqrt{3}+21}

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