Puzzles and Paradoxes: Fascinating Excursions in Recreational MathematicsЭлектронная книгаPuzzles and Paradoxes: Fascinating Excursions in Recreational MathematicsавтораT. H. O’BeirneРейтинг: 4 из 5 звезд4/5Сохранить Puzzles and Paradoxes: Fascinating Excursions in Recreational Mathematics на потом