Find number abc
If 6a6c5 - 2a220 = b0ba5 find number abc. Multiple solutions may exist.Correct answers: 53
The first user who solved this task is Djordje Timotijevic.
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Black American patentIn 1897, a U.S. patent for "Extension Steps for Cars" was issued to Black American inventor D.L. White (No. 574,969) |