Find number abc
If bbbcc - 6c7aa = 3ba8b find number abc. Multiple solutions may exist.Correct answers: 22
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
Edison patentsIn 1881, six patents were issued to Thomas A. Edison for electrical inventions, U.S. Nos. 242,896 to 242,901. They were for, respectively, two concerning an "Incandescent Electric Lamp," an "Incandescent Electric Lamp," a "Magneto or Dynamo Electric Machine," about "Electric Lighting," about "Manufacturing Carbons for Electric Lamps" and an "Electric Meter." |