Question

把多項(xiàng)式3x³y-

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xy³+x²y²+y⁴按字母x的升冪排列是______．

Answer 1

把多項(xiàng)式3x³y-

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xy³+x²y²+y⁴按字母x的升冪排列是：
y⁴-

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xy³+x²y²+3x³y，
故填空答案y⁴-

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xy³+x²y²+3x³y．