最終更新日：2024/07/28
The abaci in the museum display the ancient counting system.
正解を見る
The abaci in the museum display the ancient counting system.
編集履歴（0）
The abaci in the museum display the ancient counting system.
The abaci in the museum display the ancient counting system.
DiQt（ディクト）
無料
★★★★★★★★★★
