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nganchinh06
2 năm trước
Phân tích các đa thức sau thành nhân tử 3x-6y x^2+6x+9 10x(x-y)-8y(x-y) x^3-2x^2+x xy^3-2x^2y^2+x^3y x(2x-7)-6x+21
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