Calculate the number 1968
[5093] Calculate the number 1968 - NUMBERMANIA: Calculate the number 1968 using numbers [3, 8, 6, 3, 78, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 16 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 1968

NUMBERMANIA: Calculate the number 1968 using numbers [3, 8, 6, 3, 78, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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After she woke up, a woman tol...

After she woke up, a woman told her husband, "I just dreamed that you gave me a pearl necklace for Valentine's day. What do you think it means?"

"You'll know tonight." he said.

That evening, the man came home with a small package and gave it to his wife. Delighted, she opened it to find a book entitled "The Meaning of Dreams"
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Antifouling paint patent

In 1625, the first patent for antifouling paint was issued in Britain to William Beale (No. 32/1625). He used a mixture of cement, copper compound, and powdered iron that was intended to impair marine growth of the boreworm on a ship's hull. The first U.S. patent for a paint against fouling by shells and weeds was issued on 3 Nov 1863 to James G. Tarr and Augustus H.Wonson of Gloucester, Mass. (3 Nov 1863 No. 40515) which used copper oxide powdered from ore in Stockholm tar, and naptha or benzine. The first patent under Japan's Patent Monopoly Act was for an antifouling paint, was issued 14 Aug 1885 to Zuisho Hotta for a formula combining lacquer, powdered iron, red lead, persimmon tannin, and other ingredients.«*
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