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Find number abc

If c3ab2 + 9c88b = 1c04a9 find number abc. Multiple solutions may exist.

Correct answers: 32

The first user who solved this task is Djordje Timotijevic.

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Oil well

In 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.

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