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	Các bình luận về: Cho các số thực \(x\), \(y\) thỏa mãn \({5^{{x^2} + {y^2} &#8211; 2}}.{\log _2}\left( {x &#8211; y} \right) = \frac{1}{2}\left[ {1 + {{\log }_2}\left( {1 &#8211; xy} \right)} \right].\) Tìm giá trị lớn nhất của biểu thức \(M = 2\left( {{x^3} + {y^3}} \right) &#8211; 3xy.\)	</title>
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