From 83e3cb1a4e15066cc4d5cbb7d6e91fccd529af49 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=A8=E7=83=A8?= <imissyou5201314@outlook.com>
Date: Mon, 13 Dec 2021 13:25:27 +0800
Subject: [PATCH] =?UTF-8?q?=E6=97=B6=E9=97=B4=E5=A4=8D=E6=9D=82=E5=BA=A6?=
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---
 数据结构/时间复杂度/常用数列前n项和.md | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/数据结构/时间复杂度/常用数列前n项和.md b/数据结构/时间复杂度/常用数列前n项和.md
index 6399a6f..aeeade6 100644
--- a/数据结构/时间复杂度/常用数列前n项和.md
+++ b/数据结构/时间复杂度/常用数列前n项和.md
@@ -1,8 +1,7 @@
 # 求解中常用数列的前n项和
 
 ### 1. n<sup>2</sup>
-
-$$
+```
 n(n+1)(2n+1)/6
-$$
+```