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/20140823/20140823180449874988.png时,由k到k+1,不等式左端的变化是(    )

2021-07-12

A.增加http://picflow.koolearn.com/upload/papers/20140823/20140823180449998610.png

B.增加http://picflow.koolearn.com/upload/papers/20140823/20140823180450014505.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823180450030534.png两项

C.增加http://picflow.koolearn.com/upload/papers/20140823/20140823180450014505.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823180450030534.png两项且减少http://picflow.koolearn.com/upload/papers/20140823/20140823180450279434.png一项

D.以上结论均错

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