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Puzzling
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Jujustum
  • Member for 9 months
  • Last seen this week
  • France
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5,061
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34
answers
8
questions
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About

French person who enjoys puzzles.

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103
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14
Posts
33
Posts %
86
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19
Posts %
61
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19
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12
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29
Posts %
42
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19
Posts %
39
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12
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Top posts
View all questions and answers
question
45
A strange operator on my new calculator
Dec 13, 2023
answer
40
How to solve 1 2 3 4 5 = 5 4 3 2 1 (insert five pluses to make it equal)? A thorough solution needed
Dec 6, 2023
answer
26
Just got a new job... huh?
Aug 18
answer
25
$\pi$ = 13, $\sqrt{2}$ = 7, $e$ =?
Dec 3, 2023
question
19
My doctor gave me this IQ test - what's your diagnosis?
Dec 21, 2023
answer
19
BBBBBBBBBB -> BB
Dec 30, 2023
answer
19
One number grid, two ways to divide it
Aug 19
question
18
The newcomers' maze
Dec 2, 2023
question
17
Going around in circles
Jun 18
answer
17
Meta-connect wall
Feb 14
Top network posts
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7
$\sin (\frac{\pi}{4n}) \ge \frac{\sqrt{2}}{2n}$ for all $n\in \mathbb N$
6
Probability of card being 7 of diamonds given the card is red
6
Real coefficients such that any matrix is invertible
6
Shouldn’t $\tan^{-1}(\mathbb{R})$ be closed?
5
Condition on endomorphisms satisfying $\operatorname{Ker} f=\operatorname{Im} f$