Calculate the number 721
[6555] Calculate the number 721 - NUMBERMANIA: Calculate the number 721 using numbers [2, 4, 2, 7, 49, 231] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 10 - The first user who solved this task is Nasrin 24 T
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Calculate the number 721

NUMBERMANIA: Calculate the number 721 using numbers [2, 4, 2, 7, 49, 231] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #numbermania
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Wrong way....

As a older man was driving down the freeway, his car phone rang. Answering, he heard his wife's voice urgently warning him, "Herman, I just heard on the news that there's a car going the wrong way on route 290. Please be careful!"

"Hell," said Herman, "It's not just one car. It's hundreds of them !!!"

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Jan Ingenhousz

Born 8 Dec 1730; died 7 Sep 1799 at age 68. Dutch-English physician who discovered photosynthesis by identifying that sunlight gave green plants the ability to take in carbon dioxide, fix the carbon, and purified the air (returned oxygen) to the benefit of respiration of animals. Earlier, as a physician, he promoted Edward Jenner's use of inoculation with live smallpox vaccine to induce protection against the disease. Ingenhousz was a diligent experimenter, who studied soils and plant nutrition. He introduced the use of cover slips on microscope slides. He improved phosphorus matches and an apparatus for generating static electricity; investigated Brownian motion and heat conduction in metals, invented a hydrogen-fueled lighter, and mixed an explosive propellant for firing pistols.«
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