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/20140824/201408240121455171209.png”的过程中,由n=k到n=k+1时,不等式的左边(   )

2021-07-12

A.增加了一项http://picflow.koolearn.com/upload/papers/20140824/20140824012145532593.png

B.增加了两项http://picflow.koolearn.com/upload/papers/20140824/20140824012145548731.png

C.增加了一项http://picflow.koolearn.com/upload/papers/20140824/20140824012145532593.png,又减少了一项http://picflow.koolearn.com/upload/papers/20140824/20140824012145579416.png

D.增加了两项http://picflow.koolearn.com/upload/papers/20140824/20140824012145548731.png,又减少了一项http://picflow.koolearn.com/upload/papers/20140824/20140824012145579416.png

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