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B) show that if seven integers are selected from the first 10 positive integers where must be at least two pairs of these integers with the sum 11?
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B) show that if seven integers are selected from the first 10 positive integers where must be at least two pairs of these integers with the sum 11?

User David Baron
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1 Answer

6 votes
4-7

Which are 4 + 7 = 11 and 5 + 6 = 11
User Ian Wesley
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