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Find number abc

If 393ac + 4904b = aa4ba find number abc. Multiple solutions may exist.

Correct answers: 7

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Lotsa Amore

Just reading that there's a small Island off the coast of Italy with 5 million Sicilian people.
That's the biggest number I've ever heard.

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Charles-Adolphe Wurtz

Born 26 Nov 1817; died 12 May 1884 at age 66. French chemist and educator noted for his research on organic nitrogen compounds, hydrocarbons, and glycols. In 1848, he studied a group of compounds related to ammonia called amines and showed they belonged to a type with a nitrogen nucleus. In ammonia a nitrogen atom was bound to three hydrogens, whereas in amines, organic radicals replaced one or more of these hydrogens.

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