Find number abc
If 818bc + b478a = 13cc38 find number abc. Multiple solutions may exist.Correct answers: 31
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
Transcontinental radio telephoneIn 1915, a transcontinental radio telephone demonstration was given in New York City. Speech was transmitted via Arlington, Va. to Mare Island at San Francisco, Cal. (2,500 miles). The same night, speech was also transmitted to Honolulu. |