已知函数f(x)的定义域是(0,+∞),且满足f(xy)=f(x)+f(y),f(1/2)=1,如果对于0
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已知函数f(x)的定义域是(0,+∞),且满足f(xy)=f(x)+f(y),f(1/2)=1,如果对于0
![已知函数f(x)的定义域是(0,+∞),且满足f(xy)=f(x)+f(y),f(1/2)=1,如果对于0](/uploads/image/z/18655370-26-0.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E6%98%AF%EF%BC%880%2C%2B%E2%88%9E%EF%BC%89%2C%E4%B8%94%E6%BB%A1%E8%B6%B3f%28xy%29%3Df%28x%29%2Bf%28y%29%2Cf%281%2F2%29%3D1%2C%E5%A6%82%E6%9E%9C%E5%AF%B9%E4%BA%8E0)
f(1)=f(1)+f(1)
f(1)=2f(1)
f(xy)=f(x)+f(y) f(1/2)=1 f(1)=0 f(2)+f(1/2)=f(1)=0
f(2)=-1 f(4)=-2
0
f(1)=2f(1)
f(xy)=f(x)+f(y) f(1/2)=1 f(1)=0 f(2)+f(1/2)=f(1)=0
f(2)=-1 f(4)=-2
0
已知函数f(x)的定义域是(0,+∞),且满足f(xy)=f(x)+f(y),f(1/2)=1,如果对于0
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