Find number abc
If a99bb - 18717 = 5118c find number abc. Multiple solutions may exist.Correct answers: 30
The first user who solved this task is Nílton Corrêa de Sousa.
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Oil heaterIn 1894, black American inventor S. Newson was issued a patent for an "oil heater or cooker" (U.S. No. 520,188). |