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In: Advanced Math

Let S{a, b, c, d} be a set of four positive integers. If pairs of distinct...

Let S{a, b, c, d} be a set of four positive integers. If pairs of distinct elements of S are added, the following six sums are obtained:5,10, 11,13,14,19. Determine the values of a, b, c, and d. (There are two possibilities. )

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