Can you replace the question mark with a number?
[6424] Can you replace the question mark with a number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 64 - The first user who solved this task is Nílton Corrêa de Sousa
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 64
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #riddles
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My Dog Did It Eat It

'Johnny, where's your homework?' Miss Martin said sternly to the little boy, while holding out her hand.
'My dog ate it,' was his solemn response.
'Johnny, I have been a teacher for eighteen years. Do you really expect me to believe that?'
'It's true, Miss Martin, I swear,' insisted Johnny. 'I had to force him, but he ate it!'

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Maria Telkes

Died 2 Dec 1995 at age 94 (born 12 Dec 1900).Hungarian-American physical chemist who pioneered in the application of solar energy to water distillation and home heating. She immigrated to the U.S. in 1925, worked as a biophysicist (1926-37), and naturalized in 1937. As a civilian adviser to the U.S. Office of Scientific Research and Development during WW II, she worked out a solar heated water distillation system to make sea water potable. In the late 1940's, she designed a system of chemical storage of solar energy for the first solar-heated house, a project of MIT constructed t in Dover, Massachusetts. She developed a solar-powered stove, and in the 1970s, experimented with an air-conditioning system that stored cool night air for use during the heat of the next day.
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