Calculate the number 813
[5912] Calculate the number 813 - NUMBERMANIA: Calculate the number 813 using numbers [3, 5, 2, 6, 74, 605] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 11 - The first user who solved this task is Nílton Corrêa De Sousa
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Calculate the number 813

NUMBERMANIA: Calculate the number 813 using numbers [3, 5, 2, 6, 74, 605] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nílton Corrêa De Sousa.
#brainteasers #math #numbermania
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The Skin Graft

A married couple was in a terrible accident where the man's face was severely burned. The doctor told the husband that they couldn't graft any skin from his body because he was too skinny. So the wife offered to donate some of her own skin.
However, the only skin on her body that the doctor felt was suitable would have to come from her buttocks.
The husband and wife agreed that they would tell no one about where the skin came from, and they requested that the doctor also honor their secret. After all, this was a very delicate matter.
After the surgery was completed, everyone was astounded at the man's new face. He looked more handsome than he ever had before! All his friends and relatives just went on and on about his youthful beauty!
One day, he was alone with his wife, and he was overcome with emotion at her sacrifice. He said, "Dear, I just want to thank you for everything you did for me. How can I possibly repay you?"
"My darling," she replied, "I get all the thanks I need every time I see your mother kiss you on the cheeks.  

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Philipp Lenard

Died 20 May 1947 at age 84 (born 7 Jun 1862). Philipp Eduard Anton von Lenard was a Hungarian-German physicist who received the 1905 Nobel Prize for Physics for his research on cathode rays. He discovered they could leave a cathode ray tube, penetrate thin metal sheets, and travel a short distance in the air, which would become conducting.. In 1902, he observed that a free electron (as in a cathode ray) must have at least a certain energy to ionize a gas by knocking a bound electron out of an atom. His estimate of the required ionization energy for hydrogen was remarkably accurate. Also in 1902, he showed that the photoelectric effect produces the same electrons found in cathode rays, that the photoelectrons are not merely dislodged from the metal surface but ejected with a certain amount of energy.
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