题目内容
??f(x)=??f(ln3)=
A. B.ln3-1 C.e D.3e
A
【解析】略
f(x)=??f(x)=10,??x=_________.
??f(52x-1)=x-2,??f(125)=______________
??f(10x)= x, ??f(5) =
???f(x)=x2-2x+1??=( )
A.0 B.4 C .7 D.2