Ultimate Sudoku (Digital)
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| 卖家 | Product price | Delivery | 总计 | 可用性 | Updated | |
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| DiscountMags.com | Product price 2,99 USD | Delivery free | 总计 2,99 USD | 可用性 可购买 | Updated 2 个月前 | View offer |
价格和库存可能会有变动。 最后更新: 21.08.2026 02:41.
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Each book has 100 puzzles Did you know? The smallest number of clues in a normal Sudoku puzzle is 17. But the best mathematical minds can’t tell us why. It's been proved that no Sudoku puzzle can have 16 or fewer clues and still have only one solution - but proved only by exhaustive computer searches, not math or logic
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