Calculate the number 2650
[1335] Calculate the number 2650 - NUMBERMANIA: Calculate the number 2650 using numbers [4, 1, 7, 8, 19, 501] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 25 - The first user who solved this task is Sanja Šabović
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Calculate the number 2650

NUMBERMANIA: Calculate the number 2650 using numbers [4, 1, 7, 8, 19, 501] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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The Gift

On the first day of school, the children brought gifts for their teacher. The florist's son brought the teacher a bouquet of flowers. The candy-store owner's daughter gave the teacher a pretty box of candy. Then the liquor-store owner's son brought up a big, heavy box. The teacher lifted it up and noticed that it was leaking a little bit. She touched a drop of the liquid with her finger and tasted it.
"Is it wine?" she guessed.
"No," the boy replied. She tasted another drop and asked, " Champagne ?
"No," said the little boy... "It's a puppy!"  

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Joseph Louis Gay-Lussac

Born 6 Dec 1778; died 9 May 1850 at age 71. French chemist best known for his work on gases. In 1805, by exploding together given volumes of hydrogen and oxygen, Gay-Lussac discovered they combined in ratio 2:1 by volume to form water. By 1808, after researches using other gases, he formulated his famous law of combining volumes - that when gases combine their relative volumes bear a simple numerical relation to each other (e.g., 1:1, 2:1) and to their gaseous product (under constant pressure and temperature). He developed techniques of quantitative chemical analysis, confirmed that iodine was an element, discovered cyanogen, improved the process for manufacturing sulphuric acid, prepared potassium and boron (1808). He made two balloon ascents to study the atmosphere.
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