计算下面的分式题.急,我是初一的,1、(y-z)(z-x)/[(x+z-2y)(x+y-2z)]+(z-y)(x-z)/[(x+y-2z)(y+z-2x)+(x-z)(y-z)]/[(y+z-2x)(x+z-2y)]2、若a/b=b/c=c/d=d/a,则(a-b+c-d)/(a+b-c+d)的值.3、若x/(x^2-mx+1)=1,求x^3/(x^6-m^3x^3+1)的值.4、如果
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![计算下面的分式题.急,我是初一的,1、(y-z)(z-x)/[(x+z-2y)(x+y-2z)]+(z-y)(x-z)/[(x+y-2z)(y+z-2x)+(x-z)(y-z)]/[(y+z-2x)(x+z-2y)]2、若a/b=b/c=c/d=d/a,则(a-b+c-d)/(a+b-c+d)的值.3、若x/(x^2-mx+1)=1,求x^3/(x^6-m^3x^3+1)的值.4、如果](/uploads/image/z/13385299-67-9.jpg?t=%E8%AE%A1%E7%AE%97%E4%B8%8B%E9%9D%A2%E7%9A%84%E5%88%86%E5%BC%8F%E9%A2%98.%E6%80%A5%2C%E6%88%91%E6%98%AF%E5%88%9D%E4%B8%80%E7%9A%84%2C1%E3%80%81%28y-z%29%28z-x%29%2F%5B%28x%2Bz-2y%29%28x%2By-2z%29%5D%2B%28z-y%29%28x-z%29%2F%5B%28x%2By-2z%29%28y%2Bz-2x%29%2B%28x-z%29%28y-z%29%5D%2F%5B%28y%2Bz-2x%29%28x%2Bz-2y%29%5D2%E3%80%81%E8%8B%A5a%2Fb%3Db%2Fc%3Dc%2Fd%3Dd%2Fa%2C%E5%88%99%28a-b%2Bc-d%29%2F%28a%2Bb-c%2Bd%29%E7%9A%84%E5%80%BC.3%E3%80%81%E8%8B%A5x%2F%28x%5E2-mx%2B1%29%3D1%2C%E6%B1%82x%5E3%2F%28x%5E6-m%5E3x%5E3%2B1%29%E7%9A%84%E5%80%BC.4%E3%80%81%E5%A6%82%E6%9E%9C)
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