把6(x-y)-3y(y-x)因式分解结果是什么( )过程也要A.(x-y)(6+3y) B.3(y-x)(y+2) C.3(x-y)(2-y) D.3(x-y)(y+2)2.下列分解因式中错误的是( )A.1-9x²=(1+3x)(1-3x)
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![把6(x-y)-3y(y-x)因式分解结果是什么( )过程也要A.(x-y)(6+3y) B.3(y-x)(y+2) C.3(x-y)(2-y) D.3(x-y)(y+2)2.下列分解因式中错误的是( )A.1-9x²=(1+3x)(1-3x)](/uploads/image/z/5368725-45-5.jpg?t=%E6%8A%8A6%EF%BC%88x-y%EF%BC%89-3y%EF%BC%88y-x%EF%BC%89%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E7%BB%93%E6%9E%9C%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%88++++%EF%BC%89%E8%BF%87%E7%A8%8B%E4%B9%9F%E8%A6%81A.%EF%BC%88x-y%EF%BC%89%EF%BC%886%2B3y%EF%BC%89+++B.3%EF%BC%88y-x%EF%BC%89%EF%BC%88y%2B2%EF%BC%89+++++C.3%EF%BC%88x-y%EF%BC%89%EF%BC%882-y%EF%BC%89++D.3%EF%BC%88x-y%EF%BC%89%EF%BC%88y%2B2%EF%BC%892.%E4%B8%8B%E5%88%97%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%E4%B8%AD%E9%94%99%E8%AF%AF%E7%9A%84%E6%98%AF%EF%BC%88+++%EF%BC%89A.1-9x%26%23178%3B%3D%EF%BC%881%2B3x%EF%BC%89%EF%BC%881-3x%EF%BC%89)
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