Timeline for Can we arrange {1,...,9} in 3×3 grid so the set of products of rows equals the set of products of columns?
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Feb 11, 2023 at 15:53 | history | edited | LSpice | CC BY-SA 4.0 |
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Feb 11, 2023 at 15:31 | history | answered | GH from MO | CC BY-SA 4.0 |