Find number abc
If ba718 + a1b0c = 540a4 find number abc. Multiple solutions may exist.Correct answers: 94
The first user who solved this task is Eugenio G. F. de Kereki.
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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. |