Calculate the number 393
NUMBERMANIA: Calculate the number 393 using numbers [7, 4, 4, 6, 29, 113] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 1
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TelegraphIn 1885, Granville T. Woods, a prolific black American inventor, patented an “Apparatus for Transmission of Messages by Electricity,”No. 315,368. In the following years he introduced numerous innovations for use on railroads, applying electricity for telegraphy, brakes, overhead conductors, controls and an electric railway. |