题目内容
将多项式5x3y-y4+2xy2-x4按x的降幂排列是( )
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试题答案
A
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将多项式5x3y-y4+2xy2-x4按x的降幂排列是( )
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| A.-x4+5x3y+2xy2-y4 | B.-y4+5x3y+2xy2-y4 |
| C.-x4+5x3y-y4+2xy2 | D.2xy2+5x3y-y4-x4 |
将多项式5x3y-y4+2xy2-x4按x的降幂排列是
- A.-x4+5x3y+2xy2-y4
- B.-y4+5x3y+2xy2-y4
- C.-x4+5x3y-y4+2xy2
- D.2xy2+5x3y-y4-x4