—组数据：42,17,36,25,57,52,30。该组数据全距为 （ ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30773' and id < 2477790 and id<>'2477790' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30773' and id > 2477790 and id<>'2477790' order by id asc limit 5