最終更新日：2025/12/08
The mathematician presented a most-perfect magic square that arranged the numbers 1 through n² so every 2×2 subsquare summed to 2s and each pair of entries n apart added to s.
正解を見る
The mathematician presented a most-perfect magic square that arranged the numbers 1 through n² so every 2×2 subsquare summed to 2s and each pair of entries n apart added to s.
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）
