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Associative magic square : ウィキペディア英語版 | Associative magic square An associative magic square is a magic square for which every pair of numbers symmetrically opposite to the center sum up to the same value. == 3 × 3 ==
The Lo Shu Square, the unique 3 × 3 normal magic square, is associative, and as such is the only 3 × 3 associative magic square. The square is shown below in Frénicle standard form.〔William Walkington, http://carresmagiques.blogspot.fr/2012/03/from-magic-square-to-magic-torus.html〕 All rows, columns and diagonals sum to 15 and all pairs symmetrically opposite the center sum to 10.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Associative magic square」の詳細全文を読む
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