Calculate the number 775
[1965] Calculate the number 775 - NUMBERMANIA: Calculate the number 775 using numbers [7, 3, 7, 4, 82, 539] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 43 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 775

NUMBERMANIA: Calculate the number 775 using numbers [7, 3, 7, 4, 82, 539] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 43
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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An old guy in his Volvo is dri...

An old guy in his Volvo is driving home from work when his wife rings him on his car phone.

"Honey", she says in a worried voice, "Be careful! There was a bit on the news just now, some lunatic is driving the wrong way down the freeway".

"It's worse than that!", he replies, "There are hundreds of them!"
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Oskar Barnack

Died 16 Jan 1936 at age 56 (born 1 Nov 1879).German engineer who designed the first miniature camera (1913), the Leica I. Its commercial introduction, delayed by WW I, was made in 1924 by the Ernst Leitz optical firm at Wetzlar, Germany where he was employed. Barnack was an enthusiastic photographer from when only heavy plate cameras were available. As early 1905, he conceived using a reduced format negative, to be enlarged after exposure. He adapted his idea from equipment he made to take still exposures on samples of cine film to test their sensitivity and consistency before movie use. For this camera, Barnack established the standard 35-mm film picture size by doubling the standard 18x24mm cine frame. His invention had only 1/250 of the weight of a plate camera.
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