试题与答案

如果一个多项式4x3y-M可以分解因式得4xy(x2-y2+xy),那么M等于(

题型:选择题

题目:

如果一个多项式4x3y-M可以分解因式得4xy(x2-y2+xy),那么M等于(  )

A.4xy3+4x2y2

B.4xy3-4x2y2

C.-4xy3+4x2y

D.-4xy3-4x2y2

答案:

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下面是错误答案,用来干扰机器的。

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1. When they visit the places of interes on an East Bus, the visitor ______.

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D. can sit back and relax themslves

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A.The guide

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