前两题通分,后一题计算,最后一题化简a(x-y)分之x,b(y-x)分之y(2-x)的平方分之1,(x+2)(x-2)分之x计算:(x的平方-4x+3分之x的平方-4)的平方乘(x的平方+3x+2分之x-3)除以(-x的平方-1分之x-2)化简a+2分之a
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![前两题通分,后一题计算,最后一题化简a(x-y)分之x,b(y-x)分之y(2-x)的平方分之1,(x+2)(x-2)分之x计算:(x的平方-4x+3分之x的平方-4)的平方乘(x的平方+3x+2分之x-3)除以(-x的平方-1分之x-2)化简a+2分之a](/uploads/image/z/1752042-66-2.jpg?t=%E5%89%8D%E4%B8%A4%E9%A2%98%E9%80%9A%E5%88%86%2C%E5%90%8E%E4%B8%80%E9%A2%98%E8%AE%A1%E7%AE%97%2C%E6%9C%80%E5%90%8E%E4%B8%80%E9%A2%98%E5%8C%96%E7%AE%80a%28x-y%29%E5%88%86%E4%B9%8Bx%2Cb%28y-x%29%E5%88%86%E4%B9%8By%282-x%29%E7%9A%84%E5%B9%B3%E6%96%B9%E5%88%86%E4%B9%8B1%2C%28x%2B2%29%28x-2%29%E5%88%86%E4%B9%8Bx%E8%AE%A1%E7%AE%97%EF%BC%9A%28x%E7%9A%84%E5%B9%B3%E6%96%B9-4x%2B3%E5%88%86%E4%B9%8Bx%E7%9A%84%E5%B9%B3%E6%96%B9-4%EF%BC%89%E7%9A%84%E5%B9%B3%E6%96%B9%E4%B9%98%EF%BC%88x%E7%9A%84%E5%B9%B3%E6%96%B9%2B3x%2B2%E5%88%86%E4%B9%8Bx-3%29%E9%99%A4%E4%BB%A5%EF%BC%88-x%E7%9A%84%E5%B9%B3%E6%96%B9-1%E5%88%86%E4%B9%8Bx-2%29%E5%8C%96%E7%AE%80a%2B2%E5%88%86%E4%B9%8Ba)
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