摘要: A 3 x 3 magic square is a 3 x 3 grid filled with distinct numbers from 1 to 9 such that each row, column, and both diagonals all have the same sum. Gi 阅读全文
posted @ 2019-02-19 23:50 Grandyang 阅读(5389) 评论(0) 推荐(0)
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