Calculate the number 3872
[3095] Calculate the number 3872 - NUMBERMANIA: Calculate the number 3872 using numbers [5, 6, 9, 8, 84, 229] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 25 - The first user who solved this task is Eugenio G. F. de Kereki
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Calculate the number 3872

NUMBERMANIA: Calculate the number 3872 using numbers [5, 6, 9, 8, 84, 229] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Eugenio G. F. de Kereki.
#brainteasers #math #numbermania
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Punished

One day a little girl came home from school, and said to her mother, "Mommy, today in school I was punished for something that I didn't do."

The mother exclaimed, "But that's terrible! I'm going to have a talk with your teacher about this! By the way, what was it that you didn't do?"

The little girl replied, "My homework."

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Richard Zsigmondy

Died 23 Sep 1929 at age 64 (born 1 Apr 1865).Richard Adolf Zsigmondy was an Austro-German chemist who was awarded who was awarded the Nobel Prize for Chemistry in 1925 for “his demonstration of the heterogenous nature of colloid solutions and for the methods he used, which have since become fundamental in modern colloid chemistry."” Colloids are composed of submicroscopic particles dispersed within another substance. To conduct his research on colloids he invented the ultramicroscope (1903), with which he could view particles with a diameter of one 10-millionth of a millimetre not visible in a conventional microscope. It used an intense beam of light oriented in a position perpendicular to the microscope's optical axis. As particles scattered the incident light, their movements could be seen as flashes against a dark background.«
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