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tthuyy213
2 năm trước
Cho hai đã thức sau : M(x) = x^2-5x+3x^3-23 ; N(x) = 3x^3+x^2-13+3x Tình A(x) = M(x) - N(x). Sau đó tìm một nghiệm của đa thức A(x)
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