等差数列{a n}中，a 2+a 8=180，则a 3+a 4+a 5+a 6+a 7=

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='13503' and id < 1096532 and id<>'1096532' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='13503' and id > 1096532 and id<>'1096532' order by id asc limit 5