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Calculate the number 823

NUMBERMANIA: Calculate the number 823 using numbers [3, 3, 6, 8, 48, 421] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 24

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math #numbermania

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A Bible story

A father was reading Bible stories to his young son.

He read, "The man named Lot was warned to take his wife and flee out of the city. But his wife looked back and was turned to salt."

His son asked, "What happened to the flea?"

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John Smeaton

Died 28 Oct 1792 at age 68 (born 8 Jun 1724). English civil engineer who coined the term “civil engineering” (to distinguish from military engineers). He built the third Eddystone Lighthouse, Plymouth, Devon, using dovetailed blocks of portland stone (1756-59). He discovered the best mortar for underwater construction to be limestone with a high proportion of clay. Smeaton also constructed the Forth and Clyde Canal in Scotland between the Atlantic and the North Sea; built bridges in towns including Perth, Banff, and Coldstream, Scotland; and completed Ramsgate harbour, Kent. He introduced cast-iron shafts and gearing into wind and water mills, designed large atmospheric pumping engines for mines, and improved the safety of the diving bell.)

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