Calculate the number 7539
[7001] Calculate the number 7539 - NUMBERMANIA: Calculate the number 7539 using numbers [5, 8, 2, 1, 65, 913] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 8 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 7539

NUMBERMANIA: Calculate the number 7539 using numbers [5, 8, 2, 1, 65, 913] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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Potty Trained

While carpenters were working outside the old house I had just bought, I busied myself with indoor cleaning. I had just finished washing the floor when one of the workmen asked to use the bathroom.

With dismay I looked from his muddy boots to my newly scrubbed floors. “Just a minute,” I said, thinking of a quick solution. “I’ll put down newspapers.”

“That’s all right, lady,” he responded. “I’m already trained.”

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Henri Darcy

Born 10 Jun 1803; died 3 Jan 1858 at age 54.Henri-Philibert-Gaspard Darcy was a French hydraulic engineer who first derived the equation (now known as Darcy's law) that governs the laminar (nonturbulent) flow of fluids in homogeneous, porous media. In 1856, modern studies of groundwater began when Darcy was commissioned to develop a water-purification system for the city of Dijon, France. He constructed the first experimental apparatus to study the flow characteristics of water through the earth. From his experiments, he derived the Darcy's Law equation, describing the flow of water in nature, which is fundamental to understanding groundwater systems. He performed extensive tests on filtration and pipe resistance. He initiated the open-channel studies carried out by Bazin.
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