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Multiplying Magic Square

Problem

By carefully placing the numbers 1, 2, 4, 8, 16, 32, 64, 128, and 256 in a $3 \times 3$ square grid show how it is possible to ensure that the product of each row, column, and diagonal can give the same value.

Problem ID: 374 (16 Aug 2010)     Difficulty: 3 Star

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