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/g02/20120818/20120818194505427930.png+http://picflow.koolearn.com/upload/papers/g02/20120818/20120818194505485965.png+…+http://picflow.koolearn.com/upload/papers/g02/20120818/20120818194505547807.pnghttp://picflow.koolearn.com/upload/papers/g02/20120818/20120818194505611968.png(n>2)”时的过程中,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/g02/20120818/201208181945056771505.png

B.增加了两项http://picflow.koolearn.com/upload/papers/g02/20120818/201208181945057402293.png

C.增加了两项http://picflow.koolearn.com/upload/papers/g02/20120818/201208181945058032293.png,又减少了一项http://picflow.koolearn.com/upload/papers/g02/20120818/20120818194505867955.png

D.增加了一项http://picflow.koolearn.com/upload/papers/g02/20120818/201208181945059301505.png,又减少了一项http://picflow.koolearn.com/upload/papers/g02/20120818/20120818194505993955.png

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