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	Các bình luận về: 471. Có bao nhiêu cặp số nguyên \(\left( {x;y} \right)\)thỏa mãn \(0 \le x \le 2020\) và \({\log _2}\left( {x + 1} \right) + x &#8211; 3y + 1 = {8^y}\).	</title>
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