Calculate the number 3005
[5806] Calculate the number 3005 - NUMBERMANIA: Calculate the number 3005 using numbers [3, 2, 1, 9, 66, 235] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 23 - The first user who solved this task is Thinh Ddh
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Calculate the number 3005

NUMBERMANIA: Calculate the number 3005 using numbers [3, 2, 1, 9, 66, 235] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 23
The first user who solved this task is Thinh Ddh.
#brainteasers #math #numbermania
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Denounce the devil!

The Priest was preparing a man for his long day's journey into night. Whispering firmly, the Priest said, "Denounce the devil! Let him know how little you think of him!"

The dying man said nothing.

The priest repeated his order.

Still the man said nothing.

The priest asked, "Why do you refuse to denounce the devil and his evil?"

The dying man said, "Until I know for sure where I'm heading, I don't think I ought to aggravate anybody."

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Dry-cell patent

In 1887, German scientist, Dr. Carl Gassner, was issued a U.S. patent (No. 373,064), the first in the U.S. for a “dry” cell. Gassner had already patented his invention in Germany (No. 37,758) on 8 Apr 1886, and also in Austria, Belgium, England, France and Hungary in the same year. The sealed zinc shell which contained all the chemicals was also the negative electrode. Later, he improved the shelf life of the battery by adding zinc chloride to the electrolyte to reduce corrosion of the zinc shell. Gassner's battery was much like the carbon-zinc, general-purpose batteries sold today. By 1896, the National Carbide Company (later Union Carbide and Eveready) produced the first consumer dry cell battery. Two years later, the company made the first D cell.«[Image: The six-inch, 1.5 volt Columbia Dry Cell marketed by NCC in 1896.]
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