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index 371ab3c12..1ca64f2c7 100644
--- a/docs/python/expressions/index.mdx
+++ b/docs/python/03expressions/index.mdx
@@ -7,6 +7,8 @@ import Answer from "@site/src/components/Answer";
# 式と演算子
+## 式と演算子
+
Python で計算をしてみましょう。次のように書くと、演算をすることができます。
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@@ -7,6 +7,8 @@ import Answer from "@site/src/components/Answer";
# 変数
+## 変数
+
前項のようにして、10℃ での音速を求めてみましょう。
$$
@@ -34,7 +36,7 @@ Python では定数は使えないようです。慣習的に定数は大文字
### 問題
-[式と演算子の項](/docs/python/expressions/#問題)の問題を変数を使って解いてみましょう。
+[式と演算子の項](/docs/python/03expressions/#問題)の問題を変数を使って解いてみましょう。