Find number abc
If 6bcaa - aaaba = 5a690 find number abc. Multiple solutions may exist.Correct answers: 1
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Radio patentIn 1914, a U.S. patent was issued to Edwin H. Armstrong for a “Wireless Receiving System” which described his famous regenerative, or feed-back, circuit (No. 1,113,149). This invention started Armstrong's career of innovation. He went on to become a pioneer in FM radio broadasting.« |