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Omni-MATH / Let n be an even positive integer. We say that two different cells of a n×n board are [b]neighboring[/b] if they have a common side. Find the minimal number of cells on the n×n boa… · Discussion

Discussing Let n be an even positive integer. We say that two different cells of a n×n board are [b]neighboring[/b] if they have a common side. Find the minimal number of cells on the n×n boa… · Omni-MATH

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