From 4cd34a17980695d429c4c8d2ebb4886823ff79cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B5=B5=E9=91=AB?= <7176466@qq.com>
Date: Fri, 12 Aug 2022 20:05:13 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B5=8B=E8=AF=95?=
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---
 问题/鸡兔同笼.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/问题/鸡兔同笼.md b/问题/鸡兔同笼.md
index 568b3a9..6048c11 100644
--- a/问题/鸡兔同笼.md
+++ b/问题/鸡兔同笼.md
@@ -28,7 +28,8 @@
 
 解： 设鸡有$x$只, 兔有$y$只，则：
 
-$ \begin{cases}\begin{aligned}x+y=35\\ 2x+4y=94\end{aligned}\end{cases}$
+$$ \begin{cases}\begin{aligned}x+y=35\\
+2x+4y=94\end{aligned}\end{cases} $$
 
 $ x = 35-y $