3元。某户当月平均每立方米交费1元，则其用气量（单位：立方 米）为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31378' and id < 2516746 and id<>'2516746' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31378' and id > 2516746 and id<>'2516746' order by id asc limit 5