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Quang Ngô

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last 3 solved tasks
If c2233 - 1433a = 3ba9c find number abc. Multiple solutions may exist.
During what month do people sleep the least?
The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.

James W. Alexander

Born 19 Sep 1888; died 23 Sep 1971 at age 83.James Waddell Alexander was an American mathematician who founded the branch of mathematics originally known as analysis situs, now called topology. In 1912, he joined the faculty of the mathematics department at Princeton. Soon after, Alexander generalised the Jordan curve theorem and, in 1928, he discovered the Alexander polynomial which is much used in knot theory.

What does the starship enterpr...

What does the starship enterprise and tiolet paper have in common?
They both circle around uranus and wipe out klingons.
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