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Calculate the number 1054

NUMBERMANIA: Calculate the number 1054 using numbers [5, 5, 1, 5, 75, 114] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 9

The first user who solved this task is Nílton Corrêa de Sousa.

#brainteasers #math #numbermania

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Sir John Randall

Died 16 Jun 1984 at age 79 (born 23 Mar 1905). English physicist whose critical improvements to the cavity magnetron, the microwave-generating device used in radar, was a major contribution to winning WWII. A magnetron is now commonplace in homes inside the microwave oven. Earlier magnetrons made in the 1920's gave low power output. By Feb 1940, development by Randall with Harry Boot of the small-sized cavity magnetron which generated centimeter wavelengths at much higher power allowed radar to detect smaller objects. In turn, this more compact equipment with a smaller antenna permitted easy mobile installation of high-resolution radar in aircraft. After the war, Randall turned to biophysics, including directing experimental work on DNA structure.«

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