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WhatsUp
  • Member for 5 years, 7 months
  • Last seen more than a week ago
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82
answers
17
questions
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217
Score
48
Posts
48
Posts %
140
Score
24
Posts
24
Posts %
94
Score
16
Posts
16
Posts %
69
Score
11
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11
Posts %
57
Score
13
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13
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38
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6
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6
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Top posts
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29
Which person is telling the truth?
Oct 12, 2019
28
The "Loop of rope" dilemma
Nov 2, 2021
27
Right-Turn-Only Maze
May 31, 2022
21
If O^3=DAD and (IM)^2=MOM, then what is MAID?
May 5, 2021
21
Beans under the chessboard
Apr 29, 2021
21
Amoebas escaping the prison
Nov 29, 2020
21
Prime tree game
Oct 24, 2019
16
Board with all 2020s
Aug 25, 2020
16
The Blank Sudoku
Jan 18, 2021
15
Evaluation of points in a contest
Nov 11, 2021
Top network posts
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33
On the polynomial $\sum_{k=0}^n\binom{n}{k}(-1)^kX^{k(n-k)}$
25
The $2\pi$ in the definition of the Fourier transform
23
A finite alternating sum
20
Inverse of special upper triangular matrix
19
Harmonic sums and elementary number theory