已知函数f(x)满足f(2)=1,且f(xy)=f(x)+f(y),则f(8)= .
2个回答
函数f(x)满足f(2)=1,且f(xy)=f(x)+f(y)
当X=2,Y=2时候
F(4)=F(2)+F(2)=2
当X=2 Y=4时候
F(8)=F(4)+F(2)=2+1=3
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