Calculate the number 613
[6170] Calculate the number 613 - NUMBERMANIA: Calculate the number 613 using numbers [2, 8, 9, 4, 39, 538] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 17 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 613

NUMBERMANIA: Calculate the number 613 using numbers [2, 8, 9, 4, 39, 538] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 17
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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A newly-married couple came ho...

A newly-married couple came home from their honeymoon and moved into the upstairs apartment they'd rented from the groom's parents.
That night, the father of the groom was awakened from his sleep by his wife. "Tony, listen!" she whispered.
He listened. Upstairs, the bed was creaking in rhythm.
The wife said, "Come on, Tony! Let's make love!" So Tony climbed on top of his wife, and pounded the old bone home.
As he was trying to fall back asleep 15 minutes later, the bed upstairs started creaking in rhythm again. "Come on, Tony!" said the wife. "Let's make love again!"
Once again, Tony climbed on top of his wife and screwed her as hard as he could.
As he was trying to fall back asleep 15 minutes later, the bed upstairs started creaking in rhythm again. "Come on, Tony!" said the wife. "Let's do it again!"
So Tony grabbed a broom and pounded on the ceiling as he shouted, "Hey, kids, cut it out! You're killing your old man down here!"
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Gilbert Newton Lewis

Born 23 Oct 1875; died 23 Mar 1946 at age 70. American chemist who collaborated with Irving Langmuir in developing an atomic theory. He developed a theory of valency, which introduced the covalent bond (c. 1916), whereby a chemical combination is made between two atoms by the sharing of a pair of electrons, one contributed from each atom. This was part of his more general octet theory, published in Valence and the Structure of Atoms and Molecules (1923). Lewis visualized the electrons in an atom as being arranged in concentric cubes. The sharing of these electrons he illustrated in the Lewis dot diagrams familiar to chemistry students. He generalized the concept of acids and bases now known as Lewis acids and Lewis bases.«
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