测试

2022-08-12 20:05:13 +08:00 · 2022-08-12 20:05:13 +08:00 · 4cd34a1798
commit 4cd34a1798
parent 621b259fb9
1 changed files with 2 additions and 1 deletions
--- 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 $