x,y满足(10y-3x)/(3x-y)=2 且x大于0求(3x^2-2y^2)/(5y^2-x^2)=
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x,y满足(10y-3x)/(3x-y)=2 且x大于0求(3x^2-2y^2)/(5y^2-x^2)=
![x,y满足(10y-3x)/(3x-y)=2 且x大于0求(3x^2-2y^2)/(5y^2-x^2)=](/uploads/image/z/14861368-64-8.jpg?t=x%2Cy%E6%BB%A1%E8%B6%B3%2810y-3x%29%2F%283x-y%29%3D2+%E4%B8%94x%E5%A4%A7%E4%BA%8E0%E6%B1%82%283x%5E2-2y%5E2%29%2F%285y%5E2-x%5E2%29%3D)
对(10y-3x)/(3x-y)=2化去分母有
(4/3)y=x
代入所求式有
(3x^2-2y^2)/(5y^2-x^2)
=30/29
(4/3)y=x
代入所求式有
(3x^2-2y^2)/(5y^2-x^2)
=30/29
x,y满足(10y-3x)/(3x-y)=2 且x大于0求(3x^2-2y^2)/(5y^2-x^2)=
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