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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Tape recorderIn 1948, Wire Recording Corporation of America announced the first magnetic wire recorder. It is lightweight and portable. The 'Wireway' machine with a built-in oscillator sold for $149.50.[Image: Wireway portable combination magnetic wire recorder and phonograph - ca. 1950] |