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Find number abc

If 7a06b + b91c9 = 1c1a04 find number abc. Multiple solutions may exist.

Correct answers: 63

The first user who solved this task is Djordje Timotijevic.

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My friend asked me...

My friend asked me, "Why are you getting a divorce?"
I responded, "My wife wasn't home the entire night and in the morning she said she spent the night at her sister's house."
He said, "So?"
And I responded, "She's lying. I spent the night at her sister's house!"

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Jacques-Yves Cousteau

Born 11 Jun 1910; died 25 Jun 1997 at age 87. French naval officer, oceanographer, marine biologist and ocean explorer, known for his extensive underseas investigations. He was co-inventor of the aqualung which made SCUBA diving possible (1943). Cousteau the developed the Conshelf series of manned habitats, the Diving Saucer, a process of underwater television and numerous other platforms and specialized instruments of ocean science. In 1945 he founded the French Navy's Undersea Research Group. He modified a WWII wooden hull minesweeper into the research vessel Calypso, in 1950. An observation dome added to the foot of Calypso's bow was found to increase the ship's stability, speed and fuel efficiency.

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