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Calculate the number 5297

NUMBERMANIA: Calculate the number 5297 using numbers [2, 7, 2, 9, 50, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 30

The first user who solved this task is Sanja Šabović.

#brainteasers #math #numbermania

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Fried Egg or Boiled Egg

Little Johnny walked into his classroom with a fried egg on his head.
The teacher asked, "Why do you have a fried egg on your head?"
Little Johnny responded, "Because a hard boiled egg rolls off."

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Edwin Ray Guthrie

Died 23 Apr 1959 at age 73 (born 9 Jan 1886).American psychologist whose work dealt with the psychology of learning and the role association plays. In his Law of Contiguity, he held that “a combination of stimuli which has accompanied a movement, will on its recurrence tend to be followed by that movement.” He said that all learning is based on a stimulus- response association. Movements are small stimulus- response combinations. These movements make up an act. A learned behavior is a series of movements. It takes time for the movements to develop into an act. He believed that learning is incremental. Some behavior involves repetition of movements and what is learned are movements, not behaviors.

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