Find number abc
If a9a91 - ac9b9 = 6c2 find number abc. Multiple solutions may exist.Correct answers: 74
The first user who solved this task is Djordje Timotijevic.
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Marconi patentIn 1901, Guglielmo Marconi received a reissued patent (Re. 11,913) for "Wireless Telegraphy." |