Calculate the number 9809
[1523] Calculate the number 9809 - NUMBERMANIA: Calculate the number 9809 using numbers [7, 6, 2, 6, 21, 745] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 29 - The first user who solved this task is Sanja Šabović
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Calculate the number 9809

NUMBERMANIA: Calculate the number 9809 using numbers [7, 6, 2, 6, 21, 745] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 29
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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Flying In The Plane

Sue and Bob, a pair of tight wads, lived in the mid west, and had been married years. Bob had always want to go flying. The desire deepen each time a barn stormer flew into town to offer rides. Bob would ask, and Sue would say, "No way, ten dollars is ten dollars."
The years went pay, and Bob figured he didn't have much longer, so he got Sue out to the show, explaining, it's free to watch, let's at least watch. And once he got there the feeling become real strong. Sue and Bob started an arguement.
The Pilot, between flights, overheard, listened to they problem, and said, "I'll tell you what, I'll take you up flying, and if you don't say a word the ride is on me, but if you back one sound, you pay ten dollars.
So off they flew. The Pilot doing as many rolls, and dives as he could--heading to the ground as fast as the plane could go, and pulling out of the dive at just the very last second. Not a word. Finally he admited defeat and went back the airport.
"I'm surprised, why didn't you say anything?"
"Well I almost said something when Sue fell out, but ten dollars is ten dollars."
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Niels K. Jerne

Died 7 Oct 1994 at age 82 (born 23 Dec 1911). Niels Kaj Jerne was a Danish immunologist who shared (with César Milstein and Georges Köhler) the 1984 Nobel Prize for Physiology or Medicine. Jerne has provided three important theories of immunology. (1) Natural selection theory of anti-body formation (1955) which initiated modern cellular immunology since the1960s. (2) Somatic generation theory of the generation of antibody diversity (1968) which brought together molecular and cellular immunology in the 1970s. (3) Network theory (1974), which explains a complex system of interactions when the immune system is activated to counteract disease and then is shut down after the need passes. The principles of this theory are beginning to be exploited in prevention, diagnosis and treatment of disease.«
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