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Find number abc

If a7970 - 29174 = c79b find number abc. Multiple solutions may exist.

Correct answers: 32

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

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True Love

Boyfriend: "Honey, on this Valentine's Day, I want to tell you something... I'm not rich like Robert. I don't have a mansion like Gary. I don't have a Porsche like Martin. But I do love you and I want to marry you."
Girlfriend: "Oh dear, I love you too... what was that you said about Martin?"

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Benoit Clapeyron

Born 26 Feb 1799; died 28 Jan 1864 at age 64.French engineer who expressed Sadi Carnot's ideas on heat analytically, with the help of graphical representations. While investigating the operation of steam engines, Clapeyron found there was a relationship (1834) between the heat of vaporization of a fluid, its temperature and the increase in its volume upon vaporization. Made more general by Clausius, it is now known as the Clausius-Clapeyron formula. It provided the basis of the second law of thermodynamics. In engineering, Clayeyron designed and built locomotives and metal bridges. He also served on a committee investigating the construction of the Suez Canal and on a committee which considered how steam engines could be used in the navy.

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