高中数学代数与函数一其他练习题2
题目内容

用数学归纳法证明不等式 http://picflow.koolearn.com/upload/papers/20140823/20140823225624727844.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823225624743573.png,且 http://picflow.koolearn.com/upload/papers/20140823/20140823225624836423.png时,第一步应证明下述哪个不等式成立(    )

2021-07-12

A.http://picflow.koolearn.com/upload/papers/20140823/20140823225624868365.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823225624883479.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823225624899590.png

D.http://picflow.koolearn.com/upload/papers/20140823/20140823225625039506.png

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