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Find number abc

If a63cb + 45aac = 13ccbc find number abc. Multiple solutions may exist.

Correct answers: 16

The first user who solved this task is Nasrin 24 T.

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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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