10. PEN B6 Consider the set of all five-digit numbers whose decimal representation is a permutation of the digits . Prove that this set can be divided into two groups, in such a way that the sum of the squares of the numbers in each group is the same.
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10S Partitions
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10. Partitions
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10. PEN B6 Consider the set of all five-digit numbers whose decimal representation is a permutation of the digits . Prove that this set can be divided into two groups, in such a way that the sum of the squares of the numbers in each group is the same.
