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Calculate the number 6153

NUMBERMANIA: Calculate the number 6153 using numbers [3, 1, 6, 7, 73, 627] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 20

The first user who solved this task is Manguexa Wagle.

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A few moments after the daught...

A few moments after the daughter announced her engagement, her Father asked, "Does this fellow have any money?"

"Oh Daddy, you men are all alike," sighing deeply, she replied, "That's exactly what he asked me about you."

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Iron lung

In 1927, the first iron lung (electric respirator) was installed at Bellevue hospital in New York for the post war polio epidemic. The first iron lung was developed at Harvard University by Phillip Drinker and Louis Agassiz Shaw built with two vacuum cleaners. The iron lung is a negative pressure machine which surrounds the patient's body except for the head, and alternates a negative atmospheric pressure with the ambient one, resulting in rhythmic expansion of the chest cage (and thus inhalation) in response to the negative extra thoracic pressure. During periods of ambient extrathoracic pressure, the lungs deflate. This type of machine is rarely used today.[Image: Early Drinker respirator prototype, 1928]

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