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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David Alan Grier: Old Fashioned Terrorism

When I was a kid, a terrorist act -- that was like when someone would take a dump in the swimming pool at the YMCA during summer camp. That was a terrorist act. That was the most evil thing you could do.
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Reaper patent

In 1834, Cyrus Hall McCormick received a patent for his reaping machine, recognized as the first such practical machine. He demonstrated his machine in 1831 at a public trial in a field near Walnut Grove, Va. The owner of the field, fearing the machine would rattle the heads of his wheat, stopped the demonstration, which was then moved to a more level field on the neighbour's farm. There, the test was impressive, cutting six acres in a half a day. Although it did the work of six men, it was very difficult to popularize, and it took until 1841 before McCormick sold his first two machines. In 1902, the McCormick Harvesting Machine Company merged with five other leading farm implement manufacturers to form the International Harvester Company.
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