`已知函数①f(x)=-x^2+2x(x>0)②f(x)=0(x=0)③f(x)=x^2+mx(x

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`已知函数①f(x)=-x^2+2x(x>0)②f(x)=0(x=0)③f(x)=x^2+mx(x
x)Kx}K}6uã 4*4mu+⌴*4* 4M\3Шy @6IE_`gC<Ɏ] q ti;0{' x6}.ж<;o+

`已知函数①f(x)=-x^2+2x(x>0)②f(x)=0(x=0)③f(x)=x^2+mx(x
`已知函数①f(x)=-x^2+2x(x>0)②f(x)=0(x=0)③f(x)=x^2+mx(x

`已知函数①f(x)=-x^2+2x(x>0)②f(x)=0(x=0)③f(x)=x^2+mx(x
因为f(x)为奇函数,当x>0时,-x