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	Các bình luận về: Có tất cả bao nhiêu số nguyên \(x\) sao cho với mọi số thực \(y\) luôn thỏa mãn \({\log _4}{\left( {8 + {y^2}} \right)^2} &#8211; {\log _5}\frac{x}{{390625}} \ge {x^{{{\log }_5}2}} &#8211; {y^2}\)&#160;	</title>
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	<description>Học toán, Đề thi toán, Sách giáo khoa Toán, trắc nghiệm Toán online</description>
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