题目内容
把多项式
x2y-
x3y2-2+6xy3按字母x降幂排列是______.
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多项式
x2y-
x3y2-2+6xy3按字母x的降幂排列为:
-
x3y2+
x2y+6xy3-2.
故填空答案:-
x3y2+
x2y+6xy3-2.
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-
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故填空答案:-
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