高中数学代数与函数一其他练习题2
题目内容

用数学归纳法证明等式 http://picflow.koolearn.com/upload/papers/20140824/201408240043407681633.png,从“k到k+1”左端需增乘的代数式为(  )

2021-07-12

A.http://picflow.koolearn.com/upload/papers/20140824/20140824004340784608.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824004340815461.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824004340830562.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824004340846606.png

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