Calculate the number 5389
[6017] Calculate the number 5389 - NUMBERMANIA: Calculate the number 5389 using numbers [7, 7, 1, 7, 27, 750] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 9 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 5389

NUMBERMANIA: Calculate the number 5389 using numbers [7, 7, 1, 7, 27, 750] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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April Fool's Day - Here are 5 pranks you can play on people

1. Add food coloring to milk that comes in a cardboard container.
2. Add food coloring to the windshield washer fluid of someone’s car.
3. Switch around random keys on someone’s keyboard who isn’t a very good typist.
4. Switch the Push and Pull signs on a set of doors.
5. Hide food in a trash can and when someone comes by grab some and eat it.
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Charles Gerhardt

Born 21 Aug 1816; died 19 Aug 1856 at age 39. Charles (-Frédéric) Gerhardt was a French chemist who, with Auguste Laurent, developed a classification of organic compounds. Like most chemists he was aware that the dualistic system of Jöns Berzelius was unsatisfactory and tried to create an alternative. He adopted what became known as type theory in which he thought all organic compounds were based on four main types - hydrogen, hydrogen chloride, ammonia, and water. Organic compounds were referred to these types by replacing a hydrogen atom in one of these compounds by a radical (i.e., by a group of atoms). His idea was opposed by his contemporaries and was later abandoned, but it proved important in the subsequent rationalization of structural organic chemistry.
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