Calculate the number 958
NUMBERMANIA: Calculate the number 958 using numbers [4, 3, 9, 6, 31, 552] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.Correct answers: 16
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Tape recorderIn 1948, Wire Recording Corporation of America announced the first magnetic wire recorder. It is lightweight and portable. The 'Wireway' machine with a built-in oscillator sold for $149.50.[Image: Wireway portable combination magnetic wire recorder and phonograph - ca. 1950] |