已知函数y=f(x)对于任意正实数x,y有f(xy)=f(x)×f(y),且x大于1时,f(x)xiao于1,f(2)=1/9已知函数y=f(x)对于任意正实数x,y有f(xy)=f(x)×f(y),且x大于1时,f(x)小于1,f(2)=1/9 f(m)=3 求m
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![已知函数y=f(x)对于任意正实数x,y有f(xy)=f(x)×f(y),且x大于1时,f(x)xiao于1,f(2)=1/9已知函数y=f(x)对于任意正实数x,y有f(xy)=f(x)×f(y),且x大于1时,f(x)小于1,f(2)=1/9 f(m)=3 求m](/uploads/image/z/1104841-1-1.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0y%3Df%28x%29%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E6%AD%A3%E5%AE%9E%E6%95%B0x%2Cy%E6%9C%89f%28xy%29%3Df%28x%29%C3%97f%28y%29%2C%E4%B8%94x%E5%A4%A7%E4%BA%8E1%E6%97%B6%2Cf%28x%29xiao%E4%BA%8E1%2Cf%282%29%3D1%2F9%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0y%3Df%28x%29%E5%AF%B9%E4%BA%8E%E4%BB%BB%E6%84%8F%E6%AD%A3%E5%AE%9E%E6%95%B0x%2Cy%E6%9C%89f%28xy%29%3Df%28x%29%C3%97f%28y%29%2C%E4%B8%94x%E5%A4%A7%E4%BA%8E1%E6%97%B6%2Cf%28x%29%E5%B0%8F%E4%BA%8E1%2Cf%282%29%3D1%2F9+f%EF%BC%88m%EF%BC%89%3D3+%E6%B1%82m)
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