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Find number abc

If 50174 + ca054 = 14aaab find number abc. Multiple solutions may exist.

Correct answers: 35

The first user who solved this task is Nílton Corrêa De Sousa.

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Animal testing

John is a PETA (People for the Ethical Treatment of Animals) member and is discussing animal welfare with his friend Ludwik.
John says, "Animal testing is such a cruel and bad practice."
Ludvick comments, "Yeah, they get all nervous and give the wrong answers."

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Frederick William Lanchester

Born 23 Oct 1868; died 8 Mar 1946 at age 77.English automobile and aeronautics pioneer who built the first British petrol automobile (1896) and founded the Lanchester Engine Co in 1899. In 1901, Lanchester patented disc brakes. His production cars were scientifically designed and owed little to their competitors. His 1903 car had a balanced "vibrationless" two-cylinder horizontal engine with two counter-rotating crankshafts, electric ignition, 3 speed epicyclic gearbox with pre-selector control, tiller steering and a worm drive back axle. In 1907-8, he published an important two-volume work on aerodynamics. Lanchester is recognized as the first to grasp the role of the trailing vortices behind lifting wings and as the initiator of the circulation theory of lift. He also founded mathematical modelling for military gaming.

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