平面上满足约束条件 的点（x，y）形成的区域为D，则区域D的面积为

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='32835' and id < 2617986 and id<>'2617986' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='32835' and id > 2617986 and id<>'2617986' order by id asc limit 5