题目内容
设变量x,y满足约束条件
,则目标函数z=5x+y取得最大值时点的坐标是
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='32859' and id < 2619243 and id<>'2619243' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='32859' and id > 2619243 and id<>'2619243' order by id asc limit 5