Find number abc
If acc90 - 5ccc3 = b00ba find number abc. Multiple solutions may exist.Correct answers: 73
The first user who solved this task is Melanie Long.
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Venetian blind patentIn 1841, the first U.S. patent for a venetian blind was issued to John Hampson of New Orleans, Louisiana on a "manner of retaining in any desired position the slats of Venetian Blinds" (No. 2223) It is said the first U.S. installation of Venetian blinds was in 1761 in St. Peter's Church, Third and Pine streets, Philadelphia, Pennsylvania. |