Find number abcIf 20b6c + a2a4c = 33aa4 find number abc. Multiple solutions may exist.
Correct answers: 22
The first user who solved this task is Nasrin 24 T.
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.