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thuhoai20122001
2 năm trước
Tìm x để P = -1/3 <=> √x +5 / √x +3 = -1/3 Tìm x để P > 3/5 <=> √x + 5 / √x + 3 > 3/5 Ta có 1 < P < 5/3 mà P nguyên => P = ??
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