Find number abc
If ccc99 + a120c = 1b6a04 find number abc. Multiple solutions may exist.Correct answers: 20
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math
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." |