Calculate the number 7620
[1581] Calculate the number 7620 - NUMBERMANIA: Calculate the number 7620 using numbers [2, 9, 6, 3, 34, 684] 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 7620

NUMBERMANIA: Calculate the number 7620 using numbers [2, 9, 6, 3, 34, 684] 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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One day in class, the teacher...

One day in class, the teacher brought a bag full of fruit and said, "Now class, I'm going to reach into the bag and describe a piece of fruit and you tell me which fruit I'm talking about. Alright, the first one is round, plump, and red. Little Johnny raised his hand high but the teacher ignored him and picked Deborah who promptly answered, "Apple." The teacher replied, "No Deborah, it's a beet, but I like your thinking. Now the second one is soft, fuzzy and colored red and brown." Johnny is hopping up and down in his seat trying to get the teacher to call on him but she calls on Billy. "Is it a peach?" Billy asks. "No, it's a potato, but I like your thinking," the teacher replies. "Okay the next one is long, yellow, and fairly hard." Johnny is about to explode as he waves his hand frantically but the teacher calls on Sally who say, "A banana." The teacher responds, "No, it's a squash, but I like your thinking." Johnny is irritated now so he speaks up loudly, "Hey, I've got one for you teacher. Let me put my hand in my pocket. Okay, I've got it. It's round, hard, and it's got a head on it." "Johnny!" she cries, "That's disgusting!" "Nope," answers Johnny, "It's a quarter, but I like your thinking!"
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Dmitry Iosifovich Ivanovsky

Born 9 Nov 1864; died 20 Jun 1920 at age 55.Russian microbiologist who, from his study of mosaic disease in tobacco, first reported the characteristics of the organisms that were later called viruses. (Although he is generally credited as the discoverer of viruses, they were also independently discovered and named by the Dutch botanist M.W. Beijerinck only a few years later.) Ivanovsky had been commissioned in 1890 to study a mysterious disease that was killing tobacco crops in the Crimea. He determined that some agent in sap could transfer disease from plant to plant. Through detailed filtering and microscope work, he concluded that some invisible parasite, much smaller than any known bacterium, was the culprit. In fact, his super-small bacterium was a new life form - the virus.[Also spelled Dmitri.]
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