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Calculate the number 775

NUMBERMANIA: Calculate the number 775 using numbers [7, 3, 7, 4, 82, 539] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 43

The first user who solved this task is Djordje Timotijevic.

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Augustus Edward Hough Love

Born 17 Apr 1863; died 5 Jun 1940 at age 77.British geophysicist and mathematician who discovered a major type of earthquake wave that was subsequently named for him. Love assumed that the Earth consists of concentric layers that differ in density and postulated the occurrence of a seismic wave confined to the surface layer (crust) of the Earth which propagated between the crust and underlying mantle. His prediction was confirmed by recordings of the behaviour of waves in the surface layer of the Earth. He proposed a method, based on measurements of Love waves, to measure the thickness of the Earth's crust. In addition to his work on geophysical theory, Love studied elasticity and wrote A Treatise on the Mathematical Theory of Elasticity, 2 vol. (1892-93).

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