设n∈N*,n>1,用数学归纳法证明:1+12+13+…+1n>n. 发布时间:2017-05-19 00:47 │ 来源:www.tikuol.com 题型:解答题 问题: 设n∈N*,n>1,用数学归纳法证明:1+12+13+…+1n>n.
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