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MathNet 2022-part-05 — 197 problems (EN–VI) Question 185

Math Olympiad Vault · MathNet 2022-part-05 — 197 problems (EN–VI)

Question 185

Is it possible to write five integers on a board so that for any two numbers, there exists a pair of numbers among the remaining three whose sum is equal to the sum of the original two numbers?