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7872dda58bd93868edab37e948fdf33fb8c37112
freeCodeCamp
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guide
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chinese
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mathematics
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arithmetic-series
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index.md
Mrugesh Mohapatra
da0df12ab7
fix(guide): simplify directory structure
2018-10-16 21:32:40 +05:30
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title, localeTitle
title
localeTitle
Arithmetic Series
算术系列
算术系列
算术系列是算术序列中所有项的总和。
如果n是序列中术语的总数
,
则1是序列中第一项的值
,
k是序列中最后一项的值
,
序列的总和将等于
: