?A boy has written a sequence of consecutive natural numbers. The number of elements in the sequence is equal to the smallest element among them doubled and subtracted 2 by . The arithmetic mean of the sequence is 12.5 . What is the greatest written number
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Several incorrect proofs of this theorem have been published, including one ... Every even integer greater than 2 is the sum of two ... A number is rational when it equals a quotient of integers —that is, if it equals ... Among 5 other people besides x, at least 3 have met x. 2. ... ing sequences of elements of arbitrary finite length.
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