Find number abc
If 58613 - bcc01 = b8a1b find number abc. Multiple solutions may exist.Correct answers: 17
The first user who solved this task is Nasrin 24 T.
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Water bicycleIn 1869, the first U.S. patent for a "water velocipede" was granted to F.A. Spofford and Matthew G. Raffington of Columbus, Ohio (No. 95,531). A number of similar devices were patented by the end of the nineteenth century. |