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Find number abc

If aa4a7 - 1764c = b1bc2 find number abc. Multiple solutions may exist.

Correct answers: 42

The first user who solved this task is Djordje Timotijevic.

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Turbulent Times

A plane hit a patch of severe turbulence and the passengers were holding on tight as it rocked and reeled through the night. A little old lady turned to a minister who was sitting behind her and said, "You're a man of God. Can't you do something about this?"
He replied, "Sorry, I can't. I'm in sales, not management."

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Johann Palisa

Born 6 Dec 1848; died 2 May 1925 at age 76.Austrian astronomer who was a prolific discoverer of asteroids, 122 in all, beginning with Asteroid 136 Austria (on 18 Mar 1874, using a 6" refractor) to Asteroid 1073 Gellivara in 1923 - all by visual observation, without the aid of photography. In 1883, he joined the expedition of the French academy to observe the total solar eclipse on May 6 of that year. During the eclipse, he searched for the putative planet Vulcan, which was supposed to circle the sun within the orbit of Mercury. In addition to observing the eclipse, Palisa collected insects for the Natural History Museum in Vienna. He also prepared two catalogs containing the positions of almost 4,700 stars. He remains the most successful visual discoverer in the history of minor planet research.«

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