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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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Stationary Bike

When I was at the gym yesterday, everyone kept asking me why I was always sitting still on the stationary bike.
I’m going downhill, dude, mind your own business.

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Solar energy

In 1957, the Solar Building (Bridgers and Paxton Office Building), Albuquerque NM, was the first commercial building to be heated by the sun's energy. It was subsequently listed in the National Register of Historic Places for its "exceptional importance," in the area of engineering because it was an early solar-heated commercial building, the equipment for which survived largely intact. It was constructed when active solar-energy systems were still considered experimental. The site is privately owned, at 213 Truman St., NE., Albuquerque, NM. The architectural design was provided by Wright and Stanley.

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