From 3564b86f0ff824da9380144b10ae10436784a5ee 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 20:18:04 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0?=
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---
 问题/鸡兔同笼.md | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/问题/鸡兔同笼.md b/问题/鸡兔同笼.md
index 6048c11..7b6e975 100644
--- a/问题/鸡兔同笼.md
+++ b/问题/鸡兔同笼.md
@@ -28,8 +28,12 @@
 
 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 $