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Calculate the number 1407

NUMBERMANIA: Calculate the number 1407 using numbers [4, 7, 1, 8, 99, 161] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 21

The first user who solved this task is Thinh Ddh.

#brainteasers #math #numbermania

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Charles Green

Born 31 Jan 1785; died 26 Mar 1870 at age 85.English balloonist whose outstanding achievement was his flight with two companions in 1836 from Vauxhall Gardens, London, to Weilburg, Germany, a distance of 480 miles. With this18-hour trip, Green set a long-distance balloon record for flights launched from England that was not beaten until 1907. He was accompanied on the flight by Monck Mason and Robert Hollond.

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