$A=\left ( 2\sqrt{4+\sqrt{6+\sqrt{2}}} \right )\left ( \sqrt{10}-\sqrt{2} \right )$
Edited by Haoblythe, 02-06-2016 - 20:11.
tính $A=\left ( 2\sqrt{4+\sqrt{6+\sqrt{2}}} \right )\left ( \sqrt{10}-\sqrt{2} \right )$
Started By Haoblythe, 02-06-2016 - 20:08
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