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Calculate the number 256

NUMBERMANIA: Calculate the number 256 using numbers [3, 5, 7, 7, 12, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 25

The first user who solved this task is Djordje Timotijevic.

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Forty-three percent of all Ame...

Forty-three percent of all Americans say that illegal immigration is a serious problem.
The other 57 percent said, "No hablo ingles."

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Gail Borden

Born 9 Nov 1801; died 11 Jan 1874 at age 72. American manufacturer who invented a commercial method of condensing milk by heating it in a vacuum to preserve it (patented 19 Aug 1856, U.S. No. 15,553) and investigated other food concentrates. He began with a process (patented 5 Feb 1850, No. 7,066) that cooked meat extracts with flour to form a meat biscuit capable of long term storage. When he devised a way to preserve milk by condensing it, he created a market in big cities which were distant from the farm sources, as well as supplying the military, travellers and seamen. The dairy company he founded (renamed Borden, Inc., in 1968) expanded and diversified to become a sizable conglomerate.

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