Calculate the number 1281
[4666] Calculate the number 1281 - NUMBERMANIA: Calculate the number 1281 using numbers [2, 4, 1, 5, 72, 715] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 18 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1281

NUMBERMANIA: Calculate the number 1281 using numbers [2, 4, 1, 5, 72, 715] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 18
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Low Bridge

A truck driver was driving along on the freeway. He passed a sign that said “low bridge ahead.”
Before he knew it, the bridge was right ahead of him and he got stuck under the bridge. You could say that he got a rock solid “Trucker’s Wedgie.”
Cars were backed up for miles.
Finally, a police car pulled up. The cop got out of his car and walked around to the truck driver, put his hands on his hips and said, “Got stuck, huh?”
The truck driver said, “No officer,… I was delivering this bridge and ran out of gas!”

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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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