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Calculate the number 1384

NUMBERMANIA: Calculate the number 1384 using numbers [9, 9, 7, 4, 27, 639] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 1

#brainteasers #math #numbermania

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Revesing the car:
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Charles Mayo

Born 19 Jul 1865; died 26 May 1939 at age 73. Charles Horace Mayo was an American surgeon and philanthropist who co-founded the Mayo Clinic and Mayo Foundation. During the frontier practice of their father, Dr. William Worrall Mayo, Charles and his brother, William J. Mayo, began their medical training early, first by observing him, and later by assisting him on patient visits and with autopsies. After medical school, the family practiced together. In 1914 they built a clinic for the integrated group practice of medicine. In 1919, the brothers turned over the clinic, assets, and most of their life savings, to the charitable organization now known as Mayo Foundation.

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