拡張機能
開発者 '48605fc2-4c4b-41c8-b271-d6e634fbcbf4' の検索結果数： 2
Sudoku Play
Play 10 quick 4x4 popup levels in Opera, then continue to the full Sudoku board.
CalcSprint
Quick math training in your browser with speed rounds and local high scores.
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