Question

将多项式按字母x升幂排列xy^2-2x^2y+3x+4y^3-1x^2-3x^3y+2xy^2-y^3

Answer 1

(1)-1+4y^3+3x+xy^2-2x^2y 或-1+3x-2x^2y+xy^2+4y^3

(2)x^2-3x^3y+2xy^2-y^3或-y^3+2xy^2+x^2-3x^3y

原则:按其中一个字母的升幂排列