Solve Math Puzzle
IF 1234 + 4567 = 284, 3012 + 8888 = 640, 5111 + 9291 = 95 THEN 9378 + 9999 = ?Correct answers: 35
The first user who solved this task is Roxana zavari.
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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. |