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Calculate the number 519

NUMBERMANIA: Calculate the number 519 using numbers [7, 3, 6, 6, 81, 207] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 13

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

#brainteasers #math #numbermania

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The Two Reasons Why

I've noticed the strangest thing about men who hang out in bars a lot.
It seems they have only one of two reasons to be there.
They have no wife to go home to... or they do!

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C. Lloyd Morgan

Died 6 Mar 1936 at age 84 (born 6 Feb 1852).C(onwy) Lloyd Morgan was a British zoologist and psychologist, best remembered for coining Morgan's Canon expressing that the interpretation of animal behavior should be described in the simplest possible terms: "In no case may we interpret an action as the outcome of the exercise of a higher psychical faculty, if it can be interpreted as the outcome of one which stands lower in the psychological scale." (In 1947, Philip L. Harriman stated that Morgan's Canon was simply a specialised form of Occam's razor applied to animal psychology.) For his work, Morgan is sometimes called the founder of comparative, or animal, psychology. His Canon was significant in developing concepts of behaviorism in twentieth century academic psychology.«

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