Calculate the number 989
[6030] Calculate the number 989 - NUMBERMANIA: Calculate the number 989 using numbers [5, 2, 5, 7, 40, 882] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 12 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 989

NUMBERMANIA: Calculate the number 989 using numbers [5, 2, 5, 7, 40, 882] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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A Jewish Landing

As the plane settled down at Ben Gurion airport, the voice of the Captain came on:
"Please remain seated with your seatbelt fastened until this plane is at a complete standstill and the seat belt signs have been turned off.""To those of you standing in the aisles, we wish you a Happy Hanukkah."
"To those who have remained in their seats, we wish you a Merry Christmas."

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Heart pacemaker

In 1957, an external artificial pacemaker with internal heart electrode is first used. To maintain a patient's heartbeat rhythm an electrode was sewn to the wall of the heart and connected through the chest to an external desk-top pulse generator. A team of scientists at the University of Minnesota, led by Dr C. Walton Lillehei, made this medical advance. However, such bulky equipment was not a good long-term solution since infection often occurred along the electrode wires, and the device required no interruption in the house electricity. So Dr. Lillehei also initiated research on the use of a small portable external pacemaker for these patients with heart block. This ultimately led to the development of the billion-dollar pacemaker industry.
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