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Find number abc

If cc722 - aab7c = 33143 find number abc. Multiple solutions may exist.

Correct answers: 34

The first user who solved this task is On On Lunarbasil.

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Giving a man his physical, a d...

Giving a man his physical, a doctor noticed several dark, ugly bruises on his shins, so he asked, "Do you play hockey?"
"No."
"Do you play soccer?"
"No."
"Do you play any other physical sport?"
"Not at all. I just play bridge with my wife."

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Igor I. Sikorsky

Born 25 May 1889; died 26 Oct 1972 at age 83.Igor Ivan Sikorsky was a Russian-born U.S. pioneer in aircraft design who is best known for his successful development of the helicopter. His earliest successes were with fixed-wing aircraft, including his prize-winning S-6-A (1912) which led to a position as head of the aviation subsidiary of the Russian Baltic Railroad Car Works. In this position, as a result of a mosquito-clogged carburetor and subsequent engine failure, he had the radical idea of an aircraft having more than one engine. Thus he produced the first multi-engine airplane, the four-engined "The Grand." This revolutionary aircraft featured such things as an enclosed cabin. a lavatory, upholstered chairs and an exterior catwalk atop the fuselage so passengers could take a turn about in the air.[Image: from U.S. airmail postage stamp]

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