已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.
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![已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.](/uploads/image/z/1613037-21-7.jpg?t=%E5%B7%B2%E7%9F%A5x%5E2%2B3xy-4y%5E2%3D0%28y%E2%89%A00%29%2C%E6%B1%82x-y%2Fx%2By%E7%9A%84%E5%80%BC.%E5%B7%B2%E7%9F%A5x%5E2%2B3xy-4y%5E2%3D0%28y%E2%89%A00%29%2C%E6%B1%82x-y%2Fx%2By%E7%9A%84%E5%80%BC.)
已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.
已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.
已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.
已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.已知x^2+3xy-4y^2=0(y≠0),求x-y/x+y的值.
x^2+3xy-4y^2/y^2=0
x/y=-4 or 1
x-y/x+y=5/3 or 0