高中数学代数与函数一数列68
题目内容

在数列 http://picflow.koolearn.com/upload/papers/20140824/20140824021052034486.png中, http://picflow.koolearn.com/upload/papers/20140824/20140824021052050370.pnghttp://picflow.koolearn.com/upload/papers/20140824/20140824021052066443.png,若 http://picflow.koolearn.com/upload/papers/20140824/20140824021052081698.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824021052097348.png等于(      )

2021-09-25

A.http://picflow.koolearn.com/upload/papers/20140824/20140824021052112777.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824021052128663.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824021052144528.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824021052159599.png

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