Calculate the number 8173
[6932] Calculate the number 8173 - NUMBERMANIA: Calculate the number 8173 using numbers [8, 5, 7, 4, 30, 620] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 11 - The first user who solved this task is Nasrin 24 T
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Calculate the number 8173

NUMBERMANIA: Calculate the number 8173 using numbers [8, 5, 7, 4, 30, 620] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Facelift

This woman goes in for a facelift and the doctor says: "We've got this new method: I put a knob in the back of your head, and every time you feel like you need a lift, just turn it."

She gets the knob implanted and is beautiful for five years.

But one day she notices a problem and returns to the doctor.

"I've got these huge bags under my eyes," she complains.

The surgeon replies: "Those aren't bags; those are your breasts."

"Ah," she sighs. "That explains the goatee."

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Jean Piaget

Born 9 Aug 1896; died 17 Sep 1980 at age 84. Swiss psychologist and zoologist. By age 15 he was contributing articles on molluscs to journals of zoology, and his doctoral degree (1918) thesis was on the distribution of molluscs in the Valaisian Alps. Thereafter, he turned to researching how mental growth develops in several successive stages from infancy to adulthood - “the embryology of intelligence” - for which he became distinguished. In the journal Science (27 Jun 1958), he summarized that at the age of eleven or twelve “a child becomes capable of certain formal or abstract operations of thought which before were possible only as concrete operations on properties of the immediately present object world. This provides the last of three mental revolutions during development.”«
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