Calculate the number 619
[8091] Calculate the number 619 - NUMBERMANIA: Calculate the number 619 using numbers [5, 2, 3, 7, 45, 339] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 619

NUMBERMANIA: Calculate the number 619 using numbers [5, 2, 3, 7, 45, 339] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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Fertilizer

A farmer was driving along the road with a load of fertilizer. A little boy, playing in front of his house, saw him and called, "What've you got in your truck?"

"Fertilizer," the farmer replied.

"What are you going to do with it?" asked the little boy.

"Put it on strawberries," answered the farmer.

"You ought to live here," the little boy advised him. "We put sugar and cream on ours."

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Edison patent

In 1882, Thomas A. Edison was issued a patent for an improvement to the telephone (No. 252,442). It described a carbon microphone. Finely divided conducting material, such as carbon, between metal cups mounted on arms is attached to the mouthpiece diaphragm. As sound waves directed through the mouthpiece move the diaphragm, the arms change the pressure on the carbon button which in turn varies an electric current passing through the carbon button. Changes in the current correspond to the pitch and amplitude of the sound. One arm conducts the electrical current to the carbon button, and the the other from it.
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