Calculate the number 4575
[2090] Calculate the number 4575 - NUMBERMANIA: Calculate the number 4575 using numbers [4, 7, 3, 3, 83, 955] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 33 - The first user who solved this task is Llewellyn Samuels
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Calculate the number 4575

NUMBERMANIA: Calculate the number 4575 using numbers [4, 7, 3, 3, 83, 955] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 33
The first user who solved this task is Llewellyn Samuels.
#brainteasers #math #numbermania
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Once upon a time Dracula decid...

Once upon a time Dracula decided to carry some sort of a competition to see which is the finest bat to stand on his side. So all the bats were honored to take part. The rules were simple. Whichever bat drinks more blood, will be the winner? So the first bat goes and comes back after 10 minutes. Her mouth was full of blood. Dracula says: "Congratulations, how did you do that?" The bat said: "Do you see that tower? Behind it there is a house. I went in and sucked the blood of all the family". "Very good" said Dracula. The second bat goes and comes back after 5 minutes all her face covered in blood. Dracula astonished says, "How did you do that?" The bat replies " Do you see that tower? Behind it there is a school. I went in and drunk the blood of all the children". "Impressive" said Dracula. Now the third bat goes and comes back after three minutes literally covered in blood from top to toe. Dracula is stunned. "How on earth did you do that????" he asked. And the bat replies. "Do you see this tower?" Dracula replies with a yes. And the bat says "Well, I didn't".
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Sir Edward Frankland

Born 18 Jan 1825; died 9 Aug 1899 at age 74. English chemist who was one of the first investigators in the field of structural chemistry, invented the chemical bond, and became known as the father of valency. He studied organometallic compounds - hybrid molecules of the familiar organic non-metallic elements (such as carbon, hydrogen, nitrogen, sulphur, phosphorus) with true metals. By 1850, he had prepared small organic molecules containing such metals as zinc. Subsequently, he devised the theory of valence (announced 10 May 1852), that each type of atom has a fixed capacity for combination with other atoms. For his investigations on water purification and for his services to the government as water analyst, Frankland was knighted in 1897.
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