题目内容
A.loga(xy)<0 B.0<loga(xy)<1
C.1<loga(xy)<2 D.loga(xy)>2
已知0<x<y<a<1,则有 ( )
A.loga(xy)<0 B.0< loga(xy)<1
C.1< loga(xy)<2 D.loga(xy)>2
已知0<x<y<a<1,则有 ( )
A. B.
C. D.