Find number abc
If 7b2c3 - ac210 = 1a083 find number abc. Multiple solutions may exist.Correct answers: 2
#brainteasers #math
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. |