最終更新日：2025/11/20
The mathematician classified every polyiamond by analyzing the ways equilateral triangles can be joined edge to edge to form distinct shapes.
正解を見る
The mathematician classified every polyiamond by analyzing the ways equilateral triangles can be joined edge to edge to form distinct shapes.
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）
