因式分解测试题答案填空题:1、在(x+y)(x—y)=x2—y2中,从左向右的变形是 .从右向左的变形是 .2、分解因式2xy—xz= .3、已知m+n=5,mn= —14,则m2n+mn2= .4、分解因式:m2(x—2y)—m3(2y—x)=m2
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![因式分解测试题答案填空题:1、在(x+y)(x—y)=x2—y2中,从左向右的变形是 .从右向左的变形是 .2、分解因式2xy—xz= .3、已知m+n=5,mn= —14,则m2n+mn2= .4、分解因式:m2(x—2y)—m3(2y—x)=m2](/uploads/image/z/1653551-71-1.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E6%B5%8B%E8%AF%95%E9%A2%98%E7%AD%94%E6%A1%88%E5%A1%AB%E7%A9%BA%E9%A2%98%EF%BC%9A1%E3%80%81%E5%9C%A8%EF%BC%88x%2By%EF%BC%89%EF%BC%88x%E2%80%94y%EF%BC%89%3Dx2%E2%80%94y2%E4%B8%AD%2C%E4%BB%8E%E5%B7%A6%E5%90%91%E5%8F%B3%E7%9A%84%E5%8F%98%E5%BD%A2%E6%98%AF+.%E4%BB%8E%E5%8F%B3%E5%90%91%E5%B7%A6%E7%9A%84%E5%8F%98%E5%BD%A2%E6%98%AF+.2%E3%80%81%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F2xy%E2%80%94xz%3D+.3%E3%80%81%E5%B7%B2%E7%9F%A5m%2Bn%3D5%2Cmn%3D+%E2%80%9414%2C%E5%88%99m2n%2Bmn2%3D+.4%E3%80%81%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%EF%BC%9Am2%EF%BC%88x%E2%80%942y%EF%BC%89%E2%80%94m3%EF%BC%882y%E2%80%94x%EF%BC%89%3Dm2)
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