Find number abc
If bba48 - b5c57 = cc9c find number abc. Multiple solutions may exist.Correct answers: 17
The first user who solved this task is Nasrin 24 T.
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Electron microscopeIn 1940, the first U.S. electron misroscope was demonstrated in Philadelphia, Pennsylvania. It was able to produce a magnification of 100,000 times, in an apparatus 10 feet high and weighing half a ton. The inventor was Dr. Vladimir Zworykin at the RCA laboratories, Camden, New Jersey. |