1.把分式[x^2-(y-z)^2]/[(x+y)^2-z^2]约分得_________.2.m为何值时,关于x的方程2/(x-2)+mx/(x^2-4)=3/(x-2)会产生增根?3.已知(2x+3)/[x*(x-1)*(x+2)]=A/x+B/(x-1)+C/(x+2) (A.B.C都为常数),求A.B.C的值分别是多少?4.已知a^2-ab-2b^
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![1.把分式[x^2-(y-z)^2]/[(x+y)^2-z^2]约分得_________.2.m为何值时,关于x的方程2/(x-2)+mx/(x^2-4)=3/(x-2)会产生增根?3.已知(2x+3)/[x*(x-1)*(x+2)]=A/x+B/(x-1)+C/(x+2) (A.B.C都为常数),求A.B.C的值分别是多少?4.已知a^2-ab-2b^](/uploads/image/z/8760310-70-0.jpg?t=1.%E6%8A%8A%E5%88%86%E5%BC%8F%5Bx%5E2-%28y-z%29%5E2%5D%2F%5B%28x%2By%29%5E2-z%5E2%5D%E7%BA%A6%E5%88%86%E5%BE%97_________.2.m%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%E5%85%B3%E4%BA%8Ex%E7%9A%84%E6%96%B9%E7%A8%8B2%2F%28x-2%29%2Bmx%2F%28x%5E2-4%29%3D3%2F%28x-2%29%E4%BC%9A%E4%BA%A7%E7%94%9F%E5%A2%9E%E6%A0%B9%3F3.%E5%B7%B2%E7%9F%A5%282x%2B3%29%2F%5Bx%2A%28x-1%29%2A%28x%2B2%29%5D%3DA%2Fx%2BB%2F%28x-1%29%2BC%2F%28x%2B2%29+%28A.B.C%E9%83%BD%E4%B8%BA%E5%B8%B8%E6%95%B0%29%2C%E6%B1%82A.B.C%E7%9A%84%E5%80%BC%E5%88%86%E5%88%AB%E6%98%AF%E5%A4%9A%E5%B0%91%3F4.%E5%B7%B2%E7%9F%A5a%5E2-ab-2b%5E)
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