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1加到n分之一的公式
更新时间： 2021-03-12 02:15:14  

1、1+1/2+1/3+……+1/n=ln(n)+C，(C为欧拉常数)。

2、Sn=1+1/2+1/3+…+1/n>ln(1+1)+ln(1+1/2)+ln(1+1/3)+…+ln(1+1/n)=ln[2*3/2*4/3*…*(n+1)/n]=ln(n+1)。

关键词： 分之 公式

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