问题
填空题
把多项式-5x6+x2y2-2x3y+6x2y3按y降幂排列______.
答案
把多项式-5x6+x2y2-2x3y+6x2y3,
按y的指数降幂排列后为6x2y3+x2y2+2x3y-5x6.
故答案为:6x2y3+x2y2-2x3y-5x6.
把多项式-5x6+x2y2-2x3y+6x2y3按y降幂排列______.
把多项式-5x6+x2y2-2x3y+6x2y3,
按y的指数降幂排列后为6x2y3+x2y2+2x3y-5x6.
故答案为:6x2y3+x2y2-2x3y-5x6.