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Find number abc

If 84c3a - 2caac = bbc21 find number abc. Multiple solutions may exist.

Correct answers: 33

The first user who solved this task is Djordje Timotijevic.

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Country with no R

Geography teacher asked if I could name a country with no R in it.
I said, "No way."

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Imitation pearls

In 1656, modern-day imitation pearls were first manufactured by the Frenchman Jacquin, a rosary-bead maker. He coated the inside surface of a hollow glass bead with a mixture made of fish scales, made centuries ago by groups as diverse as ancient Egyptians and native Americans. Natural pearls have been considered extremely valuable for millennia.

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