Find number abc
If bb8a1 + 4b9bc = ac78a 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 1886, Thomas A. Edison was issued a patent for a "System of Electrical Distribution" (U.S. No. 343,017). |