求下列分式的最简公分母,最好能写过程通分完1、x^2-3x分之一 x^2-9分之二2、2m-2n分之a m^2-mn分之b m^2-2mn+n^2分之c
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![求下列分式的最简公分母,最好能写过程通分完1、x^2-3x分之一 x^2-9分之二2、2m-2n分之a m^2-mn分之b m^2-2mn+n^2分之c](/uploads/image/z/4349903-23-3.jpg?t=%E6%B1%82%E4%B8%8B%E5%88%97%E5%88%86%E5%BC%8F%E7%9A%84%E6%9C%80%E7%AE%80%E5%85%AC%E5%88%86%E6%AF%8D%2C%E6%9C%80%E5%A5%BD%E8%83%BD%E5%86%99%E8%BF%87%E7%A8%8B%E9%80%9A%E5%88%86%E5%AE%8C1%E3%80%81x%5E2-3x%E5%88%86%E4%B9%8B%E4%B8%80+x%5E2-9%E5%88%86%E4%B9%8B%E4%BA%8C2%E3%80%812m-2n%E5%88%86%E4%B9%8Ba+m%5E2-mn%E5%88%86%E4%B9%8Bb+m%5E2-2mn%2Bn%5E2%E5%88%86%E4%B9%8Bc)
求下列分式的最简公分母,最好能写过程通分完1、x^2-3x分之一 x^2-9分之二2、2m-2n分之a m^2-mn分之b m^2-2mn+n^2分之c
求下列分式的最简公分母,最好能写过程通分完
1、x^2-3x分之一 x^2-9分之二
2、2m-2n分之a m^2-mn分之b m^2-2mn+n^2分之c
求下列分式的最简公分母,最好能写过程通分完1、x^2-3x分之一 x^2-9分之二2、2m-2n分之a m^2-mn分之b m^2-2mn+n^2分之c
(a - b)(b - c)(a - c) (x - 1)(x + 1)(x - 22x(x-y);把第二个分解因式是2(x-y),所以最简公分母就是2x(x-y)
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