Find number abc
If caca3 + 7c6cb = b576c find number abc. Multiple solutions may exist.Correct answers: 68
The first user who solved this task is Roxana zavari.
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Zinc extractionIn 1857, a U.S. patent (#16,362), which was the country's first patent related to zinc ore was issued to Samuel Wetherill, Bethlehem, Pa. |