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thanhthuy10a10cptd
2 năm trước
cho hai đa thức f(x) và g(x) thoả mãn : f(x) +g(x)=3$x^{2}$ +11-5x và g(x) - f(x)= 5x- 3$x^{2}$. Tìm đa thức f(x) và g(x)
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