Find number abc
If 6a72c + c1bcb = 11c77c find number abc. Multiple solutions may exist.Correct answers: 41
The first user who solved this task is Djordje Timotijevic.
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Edison patentIn 1891, Thomas A. Edison was issued U.S. patent No. 460122 for a "Process of and Apparatus for Generating Electricity" and No. 460123 for a "Phonogram-Blank Carrier." |