高中数学代数与函数一数列107
题目内容

已知数列 http://picflow.koolearn.com/upload/papers/20140824/20140824022038705481.png， http://picflow.koolearn.com/upload/papers/20140824/20140824022038720714.png，若该数列是递减数列，则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824022038736323.png的取值范围是（   ）

2021-09-28

A.http://picflow.koolearn.com/upload/papers/20140824/20140824022038751566.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824022038767509.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824022038767548.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824022038783522.png

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