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Mathematics, 18.06.2021 01:00 NikkiZoeller

Có bao nhiêu cặp số  x y;  với x y; là các số nguyên thỏa mãn đồng thời hai điều kiện sau:  
4 2 2
2
4.2 2 log 2 0 y y x x 
   và 2log 0 2  x y x y    

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Có bao nhiêu cặp số  x y;  với x y; là các số nguyên thỏa mãn đồng thời hai điều kiện sau:  
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