Find number abc
If 7bb8c + 40bac = 11ba48 find number abc. Multiple solutions may exist.Correct answers: 68
The first user who solved this task is Djordje Timotijevic.
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Black American patentIn 1897, black American inventor P. Walker was issued a U.S. patent for his invention of a "Machine for Seeding Cotton" (No. 577,153). The following year, on 8 Mar 1898, he received another patent for his invention of a "Bait Holder" (No. 600,241) |