Calculate the number 6669
[5412] Calculate the number 6669 - NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 25 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 6669

NUMBERMANIA: Calculate the number 6669 using numbers [1, 5, 8, 5, 80, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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A husband stepped on one of th...

A husband stepped on one of those penny scales that tell you your fortune and weight and dropped in a coin.
"Listen to this," he said to his wife, showing her a small, white card. "It says I'm energetic, bright, resourceful and a great person."
"Yeah," his wife nodded, "and it has your weight wrong, too."
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Pocket watch patent

In 1675, Christian Huygens patented a pocket watch. Huygens was a Dutch astronomer an physicist who establishing the wave theory of light and making astronomical discoveries. He also patented the first pendulum clock in 1656, which he has developed to meet his need for exact time measurement while observing the heavens. In 1673, he studied the relation of the length of a pendulum to its period of osciallation.«
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