f(x)满足关系f(xy)=f(x)+f(y) (x,y属于R)(1)求f(1); (2)求f(1/3)+f(1/2)+f(1)+f(2)+f(3)
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![f(x)满足关系f(xy)=f(x)+f(y) (x,y属于R)(1)求f(1); (2)求f(1/3)+f(1/2)+f(1)+f(2)+f(3)](/uploads/image/z/13895410-58-0.jpg?t=f%28x%29%E6%BB%A1%E8%B6%B3%E5%85%B3%E7%B3%BBf%28xy%29%3Df%28x%29%2Bf%28y%29+%28x%2Cy%E5%B1%9E%E4%BA%8ER%29%281%29%E6%B1%82f%281%29%3B+%282%29%E6%B1%82f%281%2F3%29%2Bf%281%2F2%29%2Bf%281%29%2Bf%282%29%2Bf%283%29)
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f(x)满足关系f(xy)=f(x)+f(y) (x,y属于R)(1)求f(1); (2)求f(1/3)+f(1/2)+f(1)+f(2)+f(3)
f(x)满足关系f(xy)=f(x)+f(y) (x,y属于R)(1)求f(1); (2)求f(1/3)+f(1/2)+f(1)+f(2)+f(3)
f(x)满足关系f(xy)=f(x)+f(y) (x,y属于R)(1)求f(1); (2)求f(1/3)+f(1/2)+f(1)+f(2)+f(3)
f(1)=f(1)+f(1);f(1)=0
f(1/3)+f(1/2)+f(1)+f(2)+f(3)=3*f(1)=0