| 把多项式x4y+2x2y3-5xy4+6-3x3y2按x的升幂排列是______. |
答案:
| 多项式x4y+2x2y3-5xy4+6-3x3y2中,x的系数依次4,2,1,0,3, 按x的降幂排列是6-5xy4+2x2y3-3x3y2+x4y. 故答案为:6-5xy4+2x2y3-3x3y2+x4y. |

| 把多项式x4y+2x2y3-5xy4+6-3x3y2按x的升幂排列是______. |
答案:
| 多项式x4y+2x2y3-5xy4+6-3x3y2中,x的系数依次4,2,1,0,3, 按x的降幂排列是6-5xy4+2x2y3-3x3y2+x4y. 故答案为:6-5xy4+2x2y3-3x3y2+x4y. |