高中数学代数与函数一数列106
题目内容

在等差数列{a n}中，其前n项和是S n，若S 15>0，S 16<0，则在 http://picflow.koolearn.com/upload/papers/20140824/20140824023008090441.png， http://picflow.koolearn.com/upload/papers/20140824/20140824023008106497.png，…， http://picflow.koolearn.com/upload/papers/20140824/20140824023008121520.png中最大的是(　　)

2021-09-28

A.http://picflow.koolearn.com/upload/papers/20140824/20140824023008090441.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824023008152487.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824023008168472.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824023008121520.png

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