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已知 http://picflow.koolearn.com/upload/papers/20140824/20140824045933410556.png是不等式组 http://picflow.koolearn.com/upload/papers/20140824/201408240459334411047.png表示的平面区域内的一点, http://picflow.koolearn.com/upload/papers/20140824/20140824045933473524.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824045933488296.png为坐标原点,则 http://picflow.koolearn.com/upload/papers/20140824/20140824045933504510.png的最大值(   )

发布时间:2021-07-19

A.2

B.3

C.5

D.6

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