f( (1-x)/(1+x) )=(1-x^2)/(1+x^2),则f(x)=
f(x)=x/(x^2+1)
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)?
设函数f(x)满足f(x)+2f(1/x)=x,求f(x)
已知f(x)满足2f(x)+f(-x)=-3x+1,求f(x)
已知函数f(x)满足2f(x/1)-f(x)=x ,x不等于0,则f(x)等于
f( (1-x)/(1+x) )=(1-x^2)/(1+x^2),则f(x)=
f(x)=x(x-1)(x-2)(x-3)(x-4) f'(1)=?
设f(x)=x(x+1)(x+2).(x+100),则f '(0)=
已知函数f(x)=2x+1,x>=0;f(x)=|x|,x
函数f(x-1)=2x*x-x,则f(x)的导数