Find number abc
If 6b18b + 60a4b = 1cbb38 find number abc. Multiple solutions may exist.Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
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Ironing tableIn 1874, the prolific black American inventor Elijah J. McCoy patented an ironing table (No. 150,876). He is best known for his lubricating devices for steam engines for which he held numerous patents. |