Find number abc
If 70aa1 - 540cb = 1ba55 find number abc. Multiple solutions may exist.Correct answers: 53
The first user who solved this task is Djordje Timotijevic.
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Loco-horse raceIn 1830, B&O locomotive Tom Thumb, the first locomotive built in America, lost in a 14-km race with a horse due to a boiler leak. |