更新

2022-08-12 20:18:04 +08:00 · 2022-08-12 20:18:04 +08:00 · 3564b86f0f
commit 3564b86f0f
parent 4cd34a1798
1 changed files with 6 additions and 2 deletions
--- 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 $