冰雹 发表于 2025-3-23 13:03:10

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overwrought 发表于 2025-3-23 16:08:16

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改变 发表于 2025-3-23 20:46:58

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Type-1-Diabetes 发表于 2025-3-23 23:31:31

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Keratin 发表于 2025-3-24 04:20:17

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AMPLE 发表于 2025-3-24 09:52:09

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Valves 发表于 2025-3-24 11:00:31

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扩音器 发表于 2025-3-24 16:16:08

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骄傲 发表于 2025-3-24 21:49:44

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使腐烂 发表于 2025-3-25 00:29:43

Preliminaries,Magic squares are among the best known mathematical recreations. Their origins are lost in antiquity. A classical reference is , while one of the better recent books is .
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查看完整版本: Titlebook: Magic Graphs; W. D. Wallis Textbook 20011st edition Birkhäuser Boston 2001 Applications of Mathematics.Combinatorics.Computer.Graph.Graph