Calculate the number 1933
[6788] Calculate the number 1933 - NUMBERMANIA: Calculate the number 1933 using numbers [9, 4, 7, 5, 69, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 13 - The first user who solved this task is Nasrin 24 T
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Calculate the number 1933

NUMBERMANIA: Calculate the number 1933 using numbers [9, 4, 7, 5, 69, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Automobile Dealership

When my husband and I arrived at an automobile dealership to pick up our car, we were told the keys had been locked in it. We went to the service department and found a mechanic working feverishly to unlock the driver's side door. As I watched from the passenger side, I instinctively tried the door handle and discovered that it was unlocked. “Hey,” I announced to the technician, “it's open!” To which he replied, “I know — I already got that side.”

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Hermann Ebbinghaus

Born 24 Jan 1850; died 26 Feb 1909 at age 59. German psychologist who pioneered in the development of experimental methods for the measurement of rote learning and memory. Ebbinghaus's contributions to psychology are numerous. In addition to establishing two psychology laboratories in Germany, he also founded and edited a major journal that did much to advance psychology in its early days. His famous work, Memory: A Contribution to Experimental Psychology (1885) set a precedent for experimental psychology with clear and precise experimental techniques. Ebbinghaus discovered that people forget 90% of what they learn in a class within thirty days, and that there occurs a very rapid forgetting in the first hour. He died in 1909 from pneumonia.
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