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Find number abc

If 91c33 - cab71 = 4a8b2 find number abc. Multiple solutions may exist.

Correct answers: 44

The first user who solved this task is Djordje Timotijevic.

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Two attorneys went into a dine...

Two attorneys went into a diner and ordered two drinks. Then they produced sandwiches from their briefcases and started to eat.
The owner became quite concerned and marched over and told them, "You can't eat your own sandwiches in here!"
The attorneys looked at each other, shrugged their shoulders and then exchanged sandwiches.

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Pieter van Musschenbroek

Born 14 Mar 1692; died 19 Sep 1761 at age 69. Dutch physicist and mathematician who invented the Leyden jar, the first effective device for storing static electricity. He grew up in a family that manufactured scientific instruments such as telescopes, microscopes and air pumps. Before Musschenbroek's invention, static electricity had been produced by Guericke using a sulphur ball, with minor effects. In Jan 1746, Musschenbroek placed water in a metal container suspended on silk cords, and led a brass wire through a cork into the water. He built up a charge in the water. When an unwary assistant touched the metal container and the brass wire, the discharge from this apparatus delivered a substantial shock of static electricity. The Leyden name is linked to the discovery having being made at the University of Leiden.

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