Find number abc
If b29cb - 5ba3c = 2aab7 find number abc. Multiple solutions may exist.Correct answers: 31
The first user who solved this task is Djordje Timotijevic.
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Track guageIn 1863, Congress authorized a track width of 4-ft 8-1/2 in. as the standard for the Union Pacific Railroad, which became the accepted width for most of the world. |