Find number abc
If 8acc7 + 39678 = b2ab2a find number abc. Multiple solutions may exist.Correct answers: 26
The first user who solved this task is Nasrin 24 T.
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First U.S. railroad using the telephoneIn 1877, a trial test of a telephone was given in the Pennsylvania Railroad Company shops by associates of Alexander Graham Bell. The company was impressed by the demonstration and became the first to make a permanent installation.«* |