MATH PUZZLE: Can you replace...
[3482] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 207 - The first user who solved this task is Eugenio G. F. de Kereki
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 207
The first user who solved this task is Eugenio G. F. de Kereki.
#brainteasers #math #riddles
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In Love

The pretty teacher was concerned with one of her eleven-year-old students. Taking him aside after class one day, she asked, "Little Johnny, why has your school work been so poor lately?"
"I'm in love," the boy replied.
Holding back an urge to smile, she asked, "With whom?"
"With YOU!" he said.
"But Johnny," she said gently, "don't you see how silly that is? It's true that I would like a husband of my own someday. But I don't want a child."
"Oh, don't worry," the boy said reassuringly, "I'll use a rubber!"    

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Charlotte Moore Sitterly

Died 3 Mar 1990 at age 91 (born 24 Sep 1898).American astrophysicist who organized, analyzed, and published definitive books on the solar spectrum and spectral line multiplets. From 1945 to age 90, she conducted this work at the U.S. National Bureau of Standards and the Naval Research Laboratory. She detected that technetium, an unstable element (previously known only as a result of laboratory experiments with nuclear reactions) exists in nature. She made major contributions to the compilation of tables for atomic-energy levels associated with optical spectra, which are now standard reference material. As instruments carried in space rockets provided new data in the ultraviolet, she extended these tables beyond the optical range. She was awarded the Bruce Medal in 1990.«
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