F{y,(x+y)/x}=x+y^2 则F(x,y)=一楼,a的等式有没有颠倒?
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F{y,(x+y)/x}=x+y^2 则F(x,y)=一楼,a的等式有没有颠倒?
F{y,(x+y)/x}=x+y^2 则F(x,y)=
一楼,a的等式有没有颠倒?
F{y,(x+y)/x}=x+y^2 则F(x,y)=一楼,a的等式有没有颠倒?
令y=a , (x+y)/x =b
解得x=(b-1)/a ,y=a
F{y,(x+y)/x}=F(a,b)=x+y^2 =(b-1)/a+ a^2
F(x,y)=(y-1)/x+ x^2
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