高中数学代数与函数一其他练习题79
题目内容

等差数列 http://picflow.koolearn.com/upload/papers/20140824/20140824034208206477.png中的 http://picflow.koolearn.com/upload/papers/20140824/20140824034208221425.png是函数 http://picflow.koolearn.com/upload/papers/20140824/20140824034208237984.png的极值点,则 http://picflow.koolearn.com/upload/papers/20140824/20140824034208252579.png(   )

2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140824/20140824034208252273.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824034208268249.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824034208299235.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824034208315265.png

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