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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化简(4(x-y)的五次方-6(x-y)的四次方+8(x-y)³)÷2(x-y)²=
![化简(4(x-y)的五次方-6(x-y)的四次方+8(x-y)³)÷2(x-y)²=](/uploads/image/z/17841365-53-5.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%884%EF%BC%88x%EF%BC%8Dy%EF%BC%89%E7%9A%84%E4%BA%94%E6%AC%A1%E6%96%B9%EF%BC%8D6%EF%BC%88x%EF%BC%8Dy%EF%BC%89%E7%9A%84%E5%9B%9B%E6%AC%A1%E6%96%B9%EF%BC%8B8%EF%BC%88x%EF%BC%8Dy%EF%BC%89%26%23179%3B%EF%BC%89%C3%B72%EF%BC%88x%EF%BC%8Dy%EF%BC%89%26%23178%3B%3D)
(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)
=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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