Calculate the number 4972
[6191] Calculate the number 4972 - NUMBERMANIA: Calculate the number 4972 using numbers [7, 8, 2, 2, 79, 696] 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 Nílton Corrêa de Sousa
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Calculate the number 4972

NUMBERMANIA: Calculate the number 4972 using numbers [7, 8, 2, 2, 79, 696] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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One word a year

A man is madly in love with a princess and wants to propose, but an evil witch has cast a spell on him, and now he can say only one word a year.
So he waits 14 agonizing years – accumulating all his words – before approaching his beloved. Finally, the big day arrives. When he sees her, his heart skips a beat.
He gathers his nerve, drops to his knees, and intones, "My darling, I have waited many years to say this – will you marry me?"
The princess turns around, smiles, and says, "Pardon?"
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Alfred Werner

Born 12 Dec 1866; died 15 Nov 1919 at age 52.Swiss chemist whose founding research into the structure of coordination compounds brought him the 1913 Nobel Prize for Chemistry. He demonstrated that stereochemistry was not just the property of carbon compounds, but was general to the whole of chemistry. His theory of chemical coordination (1893) recognized that many metals appeared to show variable valence and form complex compounds. Certain metals, such as cobalt and platinum, were capable through their secondary valences of joining to themselves a certain number of atoms or molecules. These were termed by Werner “coordination compounds.”and the maximum number of atoms (or “ligands”as he called them) that can be joined to the central metal is its coordination number.
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