Find number abc
If a555b - 256ba = 6acbc find number abc. Multiple solutions may exist.Correct answers: 31
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
Crystal DetectorIn 1906, a U.S. patent was issued for the crystal detector, which was one of the first devices widely used for receiving radio broadcasts (until superseded by the triode vacuum tube). It was invented by Greenleaf Whittier Pickard, a U.S. electrical engineer. His patent described it as "a means for receiving intelligence communicated by electric waves." |