f(xy)=f(x)+f(y)且f(8)=3则f(2)=
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f(xy)=f(x)+f(y)且f(8)=3则f(2)=f(xy)=f(x)+f(y)且f(8)=3则f(2)=f(xy)=f(x)+f(y)且f(8)=3则f(2)=f(4)=f(2)+f(2)=2
f(xy)=f(x)+f(y)且f(8)=3则f(2)=
f(xy)=f(x)+f(y)且f(8)=3则f(2)=
f(xy)=f(x)+f(y)且f(8)=3则f(2)=
f(4)=f(2)+f(2)=2f(2)
f(8)=f(4)+f(2)
3=2f(2)+f(2)
3=3f(2)
f(2)=1
f(xy)=f(x)+f(y)且f(8)=3则f(2)=
f(xy)=f(x)+f(y)且f(8)=3 求f(根号2)
若f(xy)=f(x)+f(y)且f(4)=1求f(1/16)若f(x+y)=f(xy) 求f(1)
f(xy)=f(x)+f(y),证明f(x/y)=f(x)-f(y)
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急:已知f(x)的定义域为{X|X>0},且f(xy)=f(x)+f(y),若f(9)=8,求f(3).
f(xy)=f(x)+f(y),f(8)=3,则f(根2)等于
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1.对任意的正数函数f(x)满足f(xy)=f(x)+f(y),且f(8)=3,则f(2)=?