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Giải phương trình nghiệm nguyên x^2 - 3y^2 +2xy -2x - 10y +4 =0
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Giải phương trình nghiệm nguyên x^2 - 3y^2 +2xy -2x - 10y +4 =0

User Davisoski
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đặt thử nhân tử chung xem sao nhé hoặc rút x theo y hoặc y theo x
User Thomas Rawyler
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