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http://picflow.koolearn.com/upload/papers/20140824/201408240200139151023.png有极大值和极小值,则 http://picflow.koolearn.com/upload/papers/20140824/20140824020013931283.png的取值范围是 (   )

发布时间:2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140824/20140824020013946474.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824020013978415.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824020014258368.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824020014274413.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824020014290386.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824020014305370.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824020014321415.png

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