Find number abc
If ba9aa - 70b05 = cacac find number abc. Multiple solutions may exist.Correct answers: 38
The first user who solved this task is Djordje Timotijevic.
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Oil wellIn 1859, “Colonel” Edwin L. Drake drilled the first successful oil well in the United States, near Titusville, Pennsylvania. The drilling had reached 69 feet 6 inches, when a dark film floating on the water below the derrick floor was noticed. |