高中数学代数与函数一数列106
题目内容

已知等差数列 http://picflow.koolearn.com/upload/papers/20140824/20140824022901088481.png的公差 http://picflow.koolearn.com/upload/papers/20140824/20140824022901104430.png，若 http://picflow.koolearn.com/upload/papers/20140824/20140824022901119830.png，则该数列的前 http://picflow.koolearn.com/upload/papers/20140824/20140824022901135297.png项和 http://picflow.koolearn.com/upload/papers/20140824/20140824022901150388.png的最大值是(     )

2021-09-28

A.http://picflow.koolearn.com/upload/papers/20140824/20140824022901166333.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824022901182335.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824022901197336.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824022901197347.png

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