在下列公式中Pi表示：（） 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27061' and id < 2243397 and id<>'2243397' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27061' and id > 2243397 and id<>'2243397' order by id asc limit 5