Find number abc
If a10a1 + 919ac = 1229b9 find number abc. Multiple solutions may exist.Correct answers: 21
The first user who solved this task is Nasrin 24 T.
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Design patentIn 1842, the design patent, a new form of patent was authorized by Act of Congress. The first U.S. design patent was issued for typefaces and borders to George Bruce of New York City on 9 Nov 1842. |