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Calculate the number 668

NUMBERMANIA: Calculate the number 668 using numbers [9, 7, 8, 3, 76, 320] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 10

The first user who solved this task is Nasrin 24 T.

#brainteasers #math #numbermania

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Some call it stalking

Some call it stalking. I call it collecting evidence.

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Flight from a ship

In 1910, the first airplane flight from a ship was made by Eugene Ely from the bow of the scout cruiser Birmingham, anchored at the Hampton Roads Yatch Clubhouse at Willoughby Spit. His runway was 83 feet long, with a five degree slope, but because the plane itself was 57 feet long, the available runway for takeoff was only 26 feet. He then flew through fog and rain to Hampton Rpads, Va. For his effort, he won a $5,000 prize offereed by John Barry Ryan. Ely was a civilian pilot for the Curtiss Aviation Company. The following year, 18 Jan 1911, Ely made another first in history when he landed on the battleship USS Pennsylvania in San Francisco Bay.

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