Calculate the number 4972
[6191] Calculate the number 4972 - NUMBERMANIA: Calculate the number 4972 using numbers [7, 8, 2, 2, 79, 696] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 10 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 4972

NUMBERMANIA: Calculate the number 4972 using numbers [7, 8, 2, 2, 79, 696] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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Pretty normal

A woman went to see her psychiatrist. "I'm really concerned," she said. "The other day I found my daughter and the little boy next door together, naked, examining each other's bodies and giggling."

The psychiatrist smiled. "That's nothing to worry about, it's pretty normal."

"Well, I don't know," said the woman, "It worries me. It worries my daughter's husband too."

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Nasir ad-Din al-Tusi

Died 26 Jun 1274 at age 73 (born 18 Feb 1201).Muhammad ibn Muhammad ibn al-Hasan al-Tusi was a Persian philosopher, scientist, mathematician and astronomer who made outstanding contributions in his era. When The Mongol invasion, started by Genghis Khan, reached him in 1256, he escaped likely death by joining the victorious Mongols as a scientific advisor. He used an observatory built at Maragheh (finished 1262), assisted by Chinese astronomers. It had various instruments such as a 4 metre wall quadrant made from copper and an azimuth quadrant which was Tusi's own invention. Using accurately plotted planetary movements, he modified Ptolemy's model of the planetary system based on mechanical principles. The observatory and its library became a centre for a wide range of work in science, mathematics and philosophy. He was known by the title Tusi from his place of birth (Tus).
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