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已知实数 http://picflow.koolearn.com/upload/papers/20140824/20140824035719778403.png满足约束条件 http://picflow.koolearn.com/upload/papers/20140824/201408240357197931064.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824035719809534.png的最小值是(  )

发布时间:2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824035719824223.png

B.2

C.http://picflow.koolearn.com/upload/papers/20140824/20140824035719856206.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824035719871411.png

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