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hieuvipyg
2 năm trước
F(X)=x^2-2x^4-5+2x^2-x^4+3+x G(X)=-4+X^3-2X^4-X^2+2-X^2+X^4-3X^3 a. thu gọn và sắp sếp theo thứ tự giảm dần của biến b. Tính H(X)=f(X)-G(X) và K(X)=F(X)-H(X)
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