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Find number abc

If c3c8c + 4a07c = bbaa0 find number abc. Multiple solutions may exist.

Correct answers: 83

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math

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Red crayons

You might wonder why blonde nurses bring red crayons to work.

It's in case they have to draw blood.

A comment from reddit user - Ethyques:

Any crayon would work if it's sharp enough. Otherwise it would be pointless.

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Pierre Duhem

Died 14 Sep 1916 at age 55 (born 10 Jun 1861). Pierre-Maurice-Marie Duhem was a French physicist, philosopher of science and mathematician who emphasized a history of modern science based on evolutionary metaphysical concepts. He had a wide variety of mathematical interests from mechanics and physics to philosophy and the history of mathematics. Duhem studied magnetism following the work of Gibbs and Helmholtz and also worked on thermodynamics and hydrodynamics producing over 400 papers. He maintained that the role of theory in science is to systematize relationships rather than to interpret new phenomena.

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