i是虚数单位1+i 3等于

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19254' and id < 1663760 and id<>'1663760' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19254' and id > 1663760 and id<>'1663760' order by id asc limit 5