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Find number abc

If 6c6a8 - b4393 = cba3c find number abc. Multiple solutions may exist.

Correct answers: 42

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

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There's trouble with the car...

Wife: "There's trouble with the car. It has water in the carburetor."
Husband: "Water in the carburetor? That's ridiculous."
Wife: "I tell you the car has water in the carburetor."
Husband: "You don't even know what a carburetor is. I'll check it out. Where's the car?"
Wife: "In the pool."

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Sir Edward Frankland

Died 9 Aug 1899 at age 74 (born 18 Jan 1825). English chemist who was one of the first investigators in the field of structural chemistry, invented the chemical bond, and became known as the father of valency. He studied organometallic compounds - hybrid molecules of the familiar organic non-metallic elements (such as carbon, hydrogen, nitrogen, sulphur, phosphorus) with true metals. By 1850, he had prepared small organic molecules containing such metals as zinc. Subsequently, he devised the theory of valence (announced 10 May 1852), that each type of atom has a fixed capacity for combination with other atoms. For his investigations on water purification and for his services to the government as water analyst, Frankland was knighted in 1897.

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