Calculate the number 721
[6555] Calculate the number 721 - NUMBERMANIA: Calculate the number 721 using numbers [2, 4, 2, 7, 49, 231] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 10 - The first user who solved this task is Nasrin 24 T
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Calculate the number 721

NUMBERMANIA: Calculate the number 721 using numbers [2, 4, 2, 7, 49, 231] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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A country rube is about to get married and he asks his Pa...

A country rube is about to get married and he asks his Pa, “Pa, how can I tell if I’m the first feller Norma Sue has ever been with on our wedding night?”

“Well that’s easy son. Just do what I did on my own wedding night. All ya need is some red paint, some blue paint, and a shovel.”

“What the heck do I need those things fer?”

“Well son, you take the red paint and you color one of yer testicles red, then you take the blue paint and ya color the other one blue.”

“Really! And then what Pa?”

“Well then if she says that that’s the strangest looking pair o’ balls she’s ever seen, ya hit her with the shovel!”

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Odd Hassel

Born 17 May 1897; died 11 May 1981 at age 83.Norwegian physical chemist who shared (with Sir Derek H.R. Barton of Great Britain) the 1969 Nobel Prize for Chemistry for his work in establishing conformational analysis (the study of the 3-D geometric structure of molecules). A ring of six carbon atoms has two conformations - the chair and boat forms. These easily interchange - about a million times in a second at room temperature. One of the conformations is, however, strongly predominant (about 99%). Hassel carried out fundamental investigations on this system and showed how heavy or bulky groups, attached to the carbon atoms, take up their positions relative to the ring and to each other. Such work is of great importance for predicting the mode of reaction of a certain molecule.
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