f(x)=2f(2-x)+x2-2x,求f(x)
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f(x1+x2)=f(x1)f(x2),f’(0)=2,求f(x)和f’(x)
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f(x)+g(x)=x2+2x+1,求f(x)和g(x)
设函数f(x)=1/3x-2,求f(x2)和f(x+1)
已知函数f(2x+1)=x2+x求f(3) f(x) f(x+1)
设f(X-2/X)=X2+4/X2 求f(X)
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F(X)满足F(x)+2f(x分之1)=3X,求f(x)
已知f(x)满足2f(x)+f(1/x)=3x,求f(x)
已知f(x)满足2f(x)+f(1/x)=3x,求f(x)?