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Omni-MATH / On a blackboard there are n geq 2, n in mathbbZ^plus numbers. In each step we select two numbers from the blackboard and replace both of them by their sum. Determine all num… · Discussion

Discussing On a blackboard there are n geq 2, n in mathbb{Z}^{plus{}} numbers. In each step we select two numbers from the blackboard and replace both of them by their sum. Determine all num… · Omni-MATH

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