<1> 1/x-1/y=3 则:2x-14xy-2y/x-2xy-y的值为:___
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<1> 1/x-1/y=3 则:2x-14xy-2y/x-2xy-y的值为:___
<2>x-1/x=3 则:x∧2+1/x∧2的值为:_____
<3>将分式a+1/3b/2/3a—1/2b的分子分母各项系数化为整数,结果是_____
<2>x-1/x=3 则:x∧2+1/x∧2的值为:_____
<3>将分式a+1/3b/2/3a—1/2b的分子分母各项系数化为整数,结果是_____
![<1> 1/x-1/y=3 则:2x-14xy-2y/x-2xy-y的值为:___](/uploads/image/z/6308526-30-6.jpg?t=%EF%BC%9C1%EF%BC%9E+1%2Fx%EF%BC%8D1%2Fy%EF%BC%9D3+%E5%88%99%EF%BC%9A2x%EF%BC%8D14xy%EF%BC%8D2y%2Fx%EF%BC%8D2xy%EF%BC%8Dy%E7%9A%84%E5%80%BC%E4%B8%BA%EF%BC%9A___)
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<1> 1/x-1/y=3 则:2x-14xy-2y/x-2xy-y的值为:___
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