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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.

#brainteasers #math #numbermania

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Sermon made him pay income tax

After hearing a sermon about lies and deceit, a man wrote the IRS: "I have been unable to sleep, knowing that I have cheated on my income tax. I have reviewed my taxable income and have enclosed a check for $900.
If I still can't sleep, I will send the rest."

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Otto Yulyevich Shmidt

Died 7 Sep 1956 at age 64 (born 30 Sep 1891).Soviet scientist and explorer responsible for the Soviet program of exploration and exploitation of Arctic resources; through his many activities he exercised a wide and diverse influence on Soviet life and thought. In 1937, on drifting ice near the North Pole, he established a scientific station notable for its oceanographic researches (1937). In the late 1940's he advanced a theory of the formation of the Earth from a rotating cloud of dust and gas. Schmidt led an expedition on the maiden voyage (1933) of the steamship Chelyuskin, which became ice-bound and went under in the Bering Strait. All the 111 scientists and crew members made it just in time to disembark the doomed vessel and, within a month, they were all ferried safely to the mainland.

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