Find number abc
[6231] Find number abc - If b08c6 - b03a6 = b70 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 21 - The first user who solved this task is Nílton Corrêa de Sousa
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Find number abc

If b08c6 - b03a6 = b70 find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math
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The doctor answered the phone...

The doctor answered the phone and heard the familiar voice of a colleague on the other end of the line. "We need a fourth for poker," said the friend.
"I'll be right over," whispered the doctor.
As he was putting on his coat, his wife asked, "Is it serious?"
"Oh yes, quite serious," said the doctor gravely. "In fact, there are three doctors there already!"
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Donald R. Griffin

Born 3 Aug 1915; died 7 Nov 2003 at age 88. Donald Redfield Griffin was an American biophysicist, known for his research in animal navigation, animal behaviour, and sensory biophysics. With Robert Galambos, he studied bat echolocation (1938), a term he coined (1944) for how the bat's ears replace eyes in flight guidance. Using specialized high-frequency sound equipment by G.W. Pierce, they found that bats in flight produced ultrasonic sounds used to avoid obstacles. In WW II, he used physiological principles to design such military equipment as cold-weather clothing and headphones. Griffin also worked extensively on bird navigation. In the late 1940s, he flew in a Piper Cub to observe the flight paths of gannets and gulls. In his career, he pioneered rigorous techniques to study animals in their natural environment.«
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