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Tuymaada 2022

Source: Tuymaada 2022 Junior P-5

September 12, 2022
permutationscombinarorics

Problem Statement

Each row of a 24×824 \times 8 table contains some permutation of the numbers 1,2,⋯ ,8.1, 2, \cdots , 8. In each column the numbers are multiplied. What is the minimum possible sum of all the products? (C. Wu)
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