Calculate the number 547
NUMBERMANIA: Calculate the number 547 using numbers [4, 9, 2, 5, 13, 130] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 3
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Edison patentIn 1920, Thomas A. Edision received a patent for "Composition of Matter for Sound-Records or the Like and Process" (U.S. No. 1,342,326). |