几道初二数学题(四道分式题三道反比例函数题)越详细越好 1.化简(x^2-5x+6)/(X^2-2x-3)2.计算-a-b3.解方程1/(x^2+5x-6)=1/(x^2+x+6)4.已知3x=xy+3y,求(2x+xy-2y)/(y-x-xy)的值.5.如果不等式mx+n4,点(1
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![几道初二数学题(四道分式题三道反比例函数题)越详细越好 1.化简(x^2-5x+6)/(X^2-2x-3)2.计算-a-b3.解方程1/(x^2+5x-6)=1/(x^2+x+6)4.已知3x=xy+3y,求(2x+xy-2y)/(y-x-xy)的值.5.如果不等式mx+n4,点(1](/uploads/image/z/9441508-4-8.jpg?t=%E5%87%A0%E9%81%93%E5%88%9D%E4%BA%8C%E6%95%B0%E5%AD%A6%E9%A2%98%EF%BC%88%E5%9B%9B%E9%81%93%E5%88%86%E5%BC%8F%E9%A2%98%E4%B8%89%E9%81%93%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E9%A2%98%EF%BC%89%E8%B6%8A%E8%AF%A6%E7%BB%86%E8%B6%8A%E5%A5%BD+1.%E5%8C%96%E7%AE%80%EF%BC%88x%5E2-5x%2B6%EF%BC%89%2F%28X%5E2-2x-3%292.%E8%AE%A1%E7%AE%97-a-b3.%E8%A7%A3%E6%96%B9%E7%A8%8B1%2F%EF%BC%88x%5E2%2B5x-6%EF%BC%89%3D1%2F%EF%BC%88x%5E2%2Bx%2B6%EF%BC%894.%E5%B7%B2%E7%9F%A53x%3Dxy%2B3y%2C%E6%B1%82%EF%BC%882x%2Bxy-2y%EF%BC%89%2F%28y-x-xy%29%E7%9A%84%E5%80%BC.5.%E5%A6%82%E6%9E%9C%E4%B8%8D%E7%AD%89%E5%BC%8Fmx%2Bn4%2C%E7%82%B9%EF%BC%881)
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