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已知 http://picflow.koolearn.com/upload/papers/20140823/20140823170115714264.gif是三次函数 http://picflow.koolearn.com/upload/papers/20140823/20140823170115729755.gif的两个极值点,且 http://picflow.koolearn.com/upload/papers/20140823/20140823170115760618.gif,则 http://picflow.koolearn.com/upload/papers/20140823/20140823170115776308.gif的取值范围是(   )

发布时间:2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140823/20140823170115792310.gif

B.http://picflow.koolearn.com/upload/papers/20140823/20140823170115807317.gif

C.http://picflow.koolearn.com/upload/papers/20140823/20140823170115932346.gif

D.http://picflow.koolearn.com/upload/papers/20140823/20140823170115948345.gif

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