高中数学代数与函数一数列106
题目内容

等差数列 http://picflow.koolearn.com/upload/papers/20140824/20140824021506050480.png的前 http://picflow.koolearn.com/upload/papers/20140824/20140824021506065297.png项之和为 http://picflow.koolearn.com/upload/papers/20140824/20140824021506081388.png，若 http://picflow.koolearn.com/upload/papers/20140824/20140824021506096532.png为一个确定的常数，则下列各数中也可以确定的是（      ）

2021-09-28

A.http://picflow.koolearn.com/upload/papers/20140824/20140824021506128375.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824021506128355.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824021506159395.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824021506159397.png

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