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Calculate the number 8699

NUMBERMANIA: Calculate the number 8699 using numbers [7, 9, 4, 8, 71, 740] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 31

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math #numbermania

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Artificial heart

In 1983, Dr. Barney C. Clark (born 21 Jan 1921), the first recipient of a permanent artificial heart, died at the University of Utah's Medical Center after 112 days with the device. Doctors at the University of Utah Medical Center said one day later that the death resulted from a massive circulatory collapse "resulting from a multitude of causes."

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