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Calculate the number 3800

NUMBERMANIA: Calculate the number 3800 using numbers [7, 4, 1, 3, 91, 889] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 12

The first user who solved this task is Nílton Corrêa de Sousa.

#brainteasers #math #numbermania

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Stationary Bike

When I was at the gym yesterday, everyone kept asking me why I was always sitting still on the stationary bike.
I’m going downhill, dude, mind your own business.

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Havelock Ellis

Born 2 Feb 1859; died 8 Jul 1939 at age 80. (Henry) Havelock Ellis was an English physician and writer on sex. He travelled widely in Australia and South America before studying medicine in London. In 1879 Ellis began studying medicine at St. Thomas's Hospital in London. At this time, Ellis grew intellectually, in the fields of science, philosophy, sociology, anthropology, and literature. His interest in human biology and his personal experiences led him to compile the seven-volume Studies in the Psychology of Sex (1897-1928), the first detached treatment of the subject, which was highly controversial at the time.

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