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Find number abc

If 988a6 - b88b9 = 8cc37 find number abc. Multiple solutions may exist.

Correct answers: 43

The first user who solved this task is Djordje Timotijevic.

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Your mama so old

Your mama so old her first Christmas was the first Christmas.

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Telephone recorder

In 1948, the telephone recording devices were first authorized for public use in the U.S. To comply with the Federal Communications Commission regulations, when the devices were being used, a periodic "beep" tone signal was used to advise those on the telephone line that their conversations were being recorded. The recording devices has been in use by government and business prior to the adoption of the FCC regulations.*

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