x^2+4y^2=4xy.求x+2y/x-y
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x^2+4y^2=4xy.求x+2y/x-yx^2+4y^2=4xy.求x+2y/x-yx^2+4y^2=4xy.求x+2y/x-yx=2y所以是40
x^2+4y^2=4xy.求x+2y/x-y
x^2+4y^2=4xy.求x+2y/x-y
x^2+4y^2=4xy.求x+2y/x-y
x=2y
所以是4
0
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