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Calculate the number 2639

NUMBERMANIA: Calculate the number 2639 using numbers [8, 8, 3, 4, 50, 931] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 17

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math #numbermania

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Empire of constipated software

Who made a fortune with his empire of constipated software?
Bilge Ates.

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Legalized human artificial insemination

In 1967, the first legalization of human artificial insemination in the U.S. was enacted by the state of Oklahoma and signed this day by the governor. It came a century after the first trials. The first recorded human impregnation by means of artificial insemination in the U.S. was made in 1866. Dr. James Marion Sims, gynecologist and chief of the Woman's Hospital, New York gave over 54 such injections in 1866-67.

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