Calculate the number 668
[6521] Calculate the number 668 - NUMBERMANIA: Calculate the number 668 using numbers [9, 7, 8, 3, 76, 320] 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 668

NUMBERMANIA: Calculate the number 668 using numbers [9, 7, 8, 3, 76, 320] 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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The shipwrecked mariner

The shipwrecked mariner had spent several years on a deserted island. Then one morning he was thrilled to see a ship offshore and a smaller vessel pulling out toward him.
When the boat grounded on the beach, the officer in charge handed the marooned sailor a bundle of newspapers and told him, "The captain said to read through these and let us know if you still want to be rescued."
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Percy Spencer

Died 7 Sep 1970 at age 76 (born 9 Jul 1894).Percy Le Baron Spencer was an American engineer and inventor who had the ideafor the microwave oven. In 1940, Sir John Randall and Dr. H. A. Boot invented the magnetron tube to produce radar microwaves. After the war, Dr. Percy Spencer at the Raytheon Company was investigating the magnetron tube. During one experiment, as the story goes, he discovered that a chocolate bar in his pocket had totally melted. Since the heating effect of microwaves was known earlier,Dr. Spencer deduced the magnetron radiation had melted the chocolate, not his body heat. This led Spencer to researchcooking food. The first commercial microwave ovens were large equipment, made for restaurants.
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