Find number abcIf b14c3 - 243c9 = ca094 find number abc. Multiple solutions may exist.
Correct answers: 16
The first user who solved this task is Djordje Timotijevic.
Long-distance telephoneIn 1892, the first long-distance telephone line between Chicago and New York was formally opened as Chicago Mayor Hempstead Washburn greeted his New York counterpart, Hugh J. Grant.