关于分式的基本性质的题目(1)(x²-y²)/(x-y)=(2)(4m³n-12m²n+9mn³)/(4m²-9n²)=(3)已知1/a - 1/b=2,则分式(2a-ab-2b)/(a+ab-b)的值为
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![关于分式的基本性质的题目(1)(x²-y²)/(x-y)=(2)(4m³n-12m²n+9mn³)/(4m²-9n²)=(3)已知1/a - 1/b=2,则分式(2a-ab-2b)/(a+ab-b)的值为](/uploads/image/z/5331262-22-2.jpg?t=%E5%85%B3%E4%BA%8E%E5%88%86%E5%BC%8F%E7%9A%84%E5%9F%BA%E6%9C%AC%E6%80%A7%E8%B4%A8%E7%9A%84%E9%A2%98%E7%9B%AE%EF%BC%881%EF%BC%89%EF%BC%88x%26%23178%3B-y%26%23178%3B%EF%BC%89%2F%EF%BC%88x-y%EF%BC%89%3D%EF%BC%882%EF%BC%89%EF%BC%884m%26%23179%3Bn-12m%26%23178%3Bn%2B9mn%26%23179%3B%EF%BC%89%2F%EF%BC%884m%26%23178%3B-9n%26%23178%3B%EF%BC%89%3D%EF%BC%883%EF%BC%89%E5%B7%B2%E7%9F%A51%2Fa++-++1%2Fb%3D2%2C%E5%88%99%E5%88%86%E5%BC%8F%EF%BC%882a-ab-2b%29%2F%28a%2Bab-b%EF%BC%89%E7%9A%84%E5%80%BC%E4%B8%BA)
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关于分式的基本性质的题目(1)(x²-y²)/(x-y)=(2)(4m³n-12m²n+9mn³)/(4m²-9n²)=(3)已知1/a - 1/b=2,则分式(2a-ab-2b)/(a+ab-b)的值为
关于分式的基本性质的题目
(1)(x²-y²)/(x-y)=
(2)(4m³n-12m²n+9mn³)/(4m²-9n²)=
(3)已知1/a - 1/b=2,则分式(2a-ab-2b)/(a+ab-b)的值为
关于分式的基本性质的题目(1)(x²-y²)/(x-y)=(2)(4m³n-12m²n+9mn³)/(4m²-9n²)=(3)已知1/a - 1/b=2,则分式(2a-ab-2b)/(a+ab-b)的值为
过程在图片上