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Calculate the number 1999

NUMBERMANIA: Calculate the number 1999 using numbers [2, 3, 7, 6, 79, 322] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 11

The first user who solved this task is Nílton Corrêa de Sousa.

#brainteasers #math #numbermania

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They were looking down into th...

They were looking down into the depths of the Grand Canyon. "Do you know," asked the guide, "that it took millions and millions of years for this great abyss to be carved out?"
"Well, I'll be darned," exclaimed the traveler. "I never knew this was a government job."

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Prospero Alpini

Born 23 Nov 1553; died 23 Nov 1616 at age 63.Italian botanist and physician who is credited with the introduction to Europe of coffee and bananas. He made an extensive study of Egyptian and Mediterranean flora. He spent three years in Egypt, and from a practice in the management of date-trees, which he observed in that country, he seems to have deduced the doctrine of the sexual difference of plants, which was adopted as the foundation of the Linnaean system. He says that "the female date-trees or palms do not bear fruit unless the branches of the male and female plants are mixed together; or, as is generally done, unless the dust found in the male sheath or male flowers is sprinkled over the female flowers." He is reputed to have been the first to fertilize date palms. He died on his birthday.

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