（文科做）椭圆2x 2+3y 2=1的焦点坐标

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='32862' and id < 2619425 and id<>'2619425' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='32862' and id > 2619425 and id<>'2619425' order by id asc limit 5