高中数学代数与函数一其他练习题2
题目内容

用数学归纳法证明“ http://picflow.koolearn.com/upload/papers/20140824/201408240602227361229.png”( http://picflow.koolearn.com/upload/papers/20140824/20140824060222767521.png)时,从 “ http://picflow.koolearn.com/upload/papers/20140824/20140824060222829594.png”时,左边应增添的式子是(   )

2021-07-12

A.http://picflow.koolearn.com/upload/papers/20140824/20140824060222845442.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824060222860562.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824060222876540.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824060222892560.png

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