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f(x+2)>=f(x)+2,f(x+3)
已知f(x)满足2f(x)+f(1/x)=3x,求f(x)
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)?
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f(x)=x^2+x (x
f(X)=f(X+2)(x
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f(x)+2f(-x)=3x+x的平方,则f(x)等于
f(x+1)+f(x-1)=4x^3-2x求f(x)
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f(x-1)=x^2-2x+3(x
f(x)=x^2+2x-3(x
f(x)=5x+3 f(x)=5x f(x)=x+2x+1 f(x)=5x+3 f(x)=5x f(x)=x+2x+1