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已知 http://picflow.koolearn.com/upload/papers/20140824/20140824005431008266.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824005431024310.png满足 http://picflow.koolearn.com/upload/papers/20140824/201408240054310401192.png, 且目标函数 http://picflow.koolearn.com/upload/papers/20140824/20140824005431040542.png的最大值为7,最小值为1,则 http://picflow.koolearn.com/upload/papers/20140824/20140824005431055567.png(  )

发布时间:2021-07-20

A.1

B.http://picflow.koolearn.com/upload/papers/20140824/20140824005431071223.png  

C.2 

D.http://picflow.koolearn.com/upload/papers/20140824/20140824005431086302.png

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