题目内容
已知满足约束条件
,则z=x+2y的最小值是
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='32859' and id < 2619242 and id<>'2619242' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='32859' and id > 2619242 and id<>'2619242' order by id asc limit 5