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Calculate the number 2725

NUMBERMANIA: Calculate the number 2725 using numbers [7, 9, 3, 5, 18, 312] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 11

The first user who solved this task is Fazil Hashim.

#brainteasers #math #numbermania

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Roseanne Barr (November 3 1952-)

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Leslie Comrie

Born 15 Aug 1893; died 11 Dec 1950 at age 57.Leslie (John) Comrie was a New Zealand astronomer and pioneer in the application of punched-card machinery to astronomical calculations. He joined HM Nautical Almanac Office (1926-36), where he replaced the use of logarithm tables with desk calculators and punched card machines for the production of astronomical and mathematical tables. This made scientific use of these machines, made originally for only business uses. In 1938, he founded the Scientific Computing Service Ltd., the first commercial calculating service in Great Britain, to further his ideas of mechanical computation for the preparation of mathematical tables. His use of card processing systems prepared the way for electronic computers.«

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