把多项式-3xy+4x^2y^2-y^3+x^3按x的降幂排列为
问题描述:
把多项式-3xy+4x^2y^2-y^3+x^3按x的降幂排列为
xiexie
答
x^3+4x^2y-3xy-y^3
把多项式-3xy+4x^2y^2-y^3+x^3按x的降幂排列为
xiexie
x^3+4x^2y-3xy-y^3