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Calculate the number 670

NUMBERMANIA: Calculate the number 670 using numbers [6, 3, 6, 6, 21, 377] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 8

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

#brainteasers #math #numbermania

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Quiet wife

A man's wife is sitting in the backseat while he's driving.

A cop pulls him over and says: Your wife fell out of the car about a mile back.

The man says: Thanks, I thought I'd gone deaf.

Author:gagga_hai

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Lewis Carroll

Died 14 Jan 1898 at age 65 (born 27 Jan 1832). Charles Lutwidge Dodgson, pen-name Lewis Carroll, was an English logician, mathematician, photographer, and novelist, remembered for Alice's Adventures in Wonderland (1865) and its sequel. After graduating from Christ Church College, Oxford in 1854, Dodgson remained there, lecturing on mathematics and writing treatises until 1881. As a mathematician, Dodgson was conservative. He was the author of a fair number of mathematics books, for instance A Syllabus of Plane Algebraical Geometry (1860). His mathematics books have not proved of enduring importance except Euclid and his Modern Rivals (1879) which is of historical interest. As a logician, he was more interested in logic as a game than as an instrument for testing reason.

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