已知f(x)是周期为2的奇函数,当0<x<1时,f(x)=lgx,设a=f( ),b=f( ),c=f( ),则(  )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16195' and id < 1361940 and id<>'1361940' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16195' and id > 1361940 and id<>'1361940' order by id asc limit 5