Find number abc
If 5a12c - 10bcb = c6a81 find number abc. Multiple solutions may exist.Correct answers: 18
The first user who solved this task is Nasrin 24 T.
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Black American patentIn 1874, a U.S. patent for a "Steam Lubricator" was issued to the prolific Black American inventor, Elijah J. McCoy (No. 146,697). |