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Find number abc

If 8193c + 3b663 = 11ac98 find number abc. Multiple solutions may exist.

Correct answers: 42

The first user who solved this task is Nasrin 24 T.

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Why is Santa Claus so jolly?

Why is Santa Claus so jolly?
Because he knows where all the naughty girls live.

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Revolving turret patent

In 1862, U.S. patent No. 36,593 was issued for a revolving turret for battleships to the inventor, Theodore Ruggles Timby (born Dover, NY, 5 Apr 1822). When Ericsson built the first turret battleship in the world, the Monitor, he added a turret based on Timby's design to the ship.«[Image: detail from Patent No. 36,593]

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