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Arnaud Mortier's user avatar
Arnaud Mortier's user avatar
Arnaud Mortier's user avatar
Arnaud Mortier
  • Member for 9 years, 11 months
  • Last seen more than 4 years ago
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88
Why does adding a suitable multiple of $9$ always lead to the reverse of the number?
78
The mother of all age-of-the-captain riddles
52
Notation for an interval when you don't know which bound is greater
33
"Murder!", said the knight
32
There is only s̶i̶x̶t̶y one place he can be

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