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saobangkhoc141999
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Tính biểu thức
[tex] \sqrt[2]{4 + \sqrt[2]{10 + 2\sqrt[2]{5}}} + \sqrt[2]{4 + \sqrt[2]{10 + 2\sqrt[2]{5}}} [/tex]
[tex] \sqrt[2]{4 + \sqrt[2]{10 + 2\sqrt[2]{5}}} + \sqrt[2]{4 + \sqrt[2]{10 + 2\sqrt[2]{5}}} [/tex]
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