化简(4(x-y)的五次方-6(x-y)的四次方+8(x-y)³)÷2(x-y)&#178

发布时间:2021-02-23 16:58:52

化简(4(x-y)的五次方-6(x-y)的四次方+8(x-y)³)÷2(x-y)²=

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(4(x-y)的五次方-6(x-y)的四次方+8(x-y)³)÷2(x-y)²
=2(x-y)²[2(x-y)³-3(x-y)²+4(x-y)]÷2(x-y)²
=2(x-y)³-3(x-y)²+4(x-y)
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