Calculate the number 1576
[5136] Calculate the number 1576 - NUMBERMANIA: Calculate the number 1576 using numbers [5, 7, 2, 1, 36, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 22 - The first user who solved this task is Thinh Ddh
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Calculate the number 1576

NUMBERMANIA: Calculate the number 1576 using numbers [5, 7, 2, 1, 36, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 22
The first user who solved this task is Thinh Ddh.
#brainteasers #math #numbermania
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Martini

A fellow came into a bar and ordered a martini. Before drinking it, he removed the olive and carefully put it into a glass jar. Then he ordered another martini and did the same thing. After an hour, when he was full of martinis and the jar was full of olives, he staggered out.
"Well," said a customer, "I never saw anything as peculiar as that!"
"What's so peculiar about it?" the bartender said. "His wife sent him out for a jar of olives."    

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Protectograph

In 1904, the Protectograph check-writing machine was patented under the title “Printing-Stamp” by Libanus McLouth Todd of Rochester, New York (U.S. Patent No. 766,853). It was designed to protect against check forgers by marking and embossing the amount on a check, thereby preventing the amount thus shown to be later dishonestly changed to a higher value. The apparatus had co-axial printing wheels with lines of raised type forming a series of numbers and suitable words. A check would be placed between the wheels and a platen. An inked felt-covered roller applied ink to the type as the wheels were turned to select the chosen imprint. The platen surface had a yielding material, such as rubber. When actuated by a hand-lever, it was raised from beneath the check and embossed the paper against the type.«
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