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Find number abc

If c4bb2 + 4cbc4 = 1aa1a6 find number abc.

Correct answers: 67

The first user who solved this task is Djordje Timotijevic.

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Rickey Smiley: White Church

I joined a white church because white people get out on time.

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Edison patent

In 1897, one of the various patents for a "Phonograph" was issued to Thomas Alva Edison (No.575151). It was one of several patents relating to his invention received by the patent office on 3 Dec 1890 that were issued on various dates between 27 Jun 1893 and 30 Sep 1898.

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