最終更新日：2025/11/28
When analyzing the symmetries of a regular pentagon, it's useful to consider the dihedral group to understand its rotations and reflections.
正解を見る
When analyzing the symmetries of a regular pentagon, it's useful to consider the dihedral group to understand its rotations and reflections.
音声機能が動作しない場合はこちらをご確認ください
編集履歴（0）
