Let S = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12}. Suppose six
Chapter 9, Problem 7E(choose chapter or problem)
Problem 7E
Let S = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12}. Suppose six integers are chosen from S. Must there be two integers whose sum is 15? Why?
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