题目内容
下列函数中,最小正周期为
的偶函数为( )
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16551' and id < 1390216 and id<>'1390216' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='16551' and id > 1390216 and id<>'1390216' order by id asc limit 5