Find number abc
If a4bc4 + a6993 = 3ab6c find number abc. Multiple solutions may exist.Correct answers: 46
The first user who solved this task is Nasrin 24 T.
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Laser patentIn 1967, a U.S. patent for "Ruby Laser Systems" was issued to Theodore Maiman (No. 3,353,115), for which he had applied on 13 Apr 1961. He had first operated a laser based on a ruby crystal on 16 May 1960, at Hughes Research Laboratories in Malibu, California. |