Find number abc
If a7970 - 29174 = c79b find number abc. Multiple solutions may exist.Correct answers: 32
The first user who solved this task is Nasrin 24 T.
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Brake patentIn 1828, the first U.S. patent for a brake of any kind was issued to Robert Turner of Ward (now Auburn), Mass. This was for a "self-regulating wagon brake." |