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[Daily puzzle] If m! x n! = 10! then m x n = ?
1022 sats \ 22 comments \ @south_korea_ln 24 Sep 2024 charts_and_maps
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[Daily puzzle] \sum{n=1}^m n^3 = \left( \sum_{n=1}^m n \right)^2?
473 sats \ 11 comments \ @south_korea_ln 29 Sep 2024 science
[Daily puzzle] A MSM puzzle
660 sats \ 11 comments \ @south_korea_ln 17 Oct 2024 science
[Daily puzzle] Does cos(x^2)=0 have more solutions than cos(x)=0?
696 sats \ 14 comments \ @south_korea_ln 27 Sep 2024 science
[Daily puzzle] No calculator math
833 sats \ 20 comments \ @south_korea_ln 12 Oct 2024 science
[Daily puzzle] Fill in the blanks
2368 sats \ 20 comments \ @south_korea_ln 29 Oct 2024 science
[Not-so-daily puzzle] Which one is bigger?
908 sats \ 8 comments \ @south_korea_ln 20 Dec 2024 science
[Daily puzzle] Magic product puzzle
681 sats \ 11 comments \ @south_korea_ln 15 Oct 2024 science
[Daily puzzle] How many pairs?
679 sats \ 6 comments \ @south_korea_ln 9 Nov 2024 science
[Not-so-daily puzzle] happy.newyear
272 sats \ 8 comments \ @south_korea_ln 31 Dec 2024 science
[Daily puzzle] Minesweeper
534 sats \ 6 comments \ @south_korea_ln 13 Nov 2024 science
[Not so daily puzzle] Sum-o wrestlingwww.theguardian.com/science/2025/aug/18/can-you-solve-it-are-you-a-matcha-for-these-tasty-japanese-puzzles
950 sats \ 7 comments \ @south_korea_ln 19 Aug 2025 science
[Daily puzzle] Exact value of continued fraction
655 sats \ 7 comments \ @south_korea_ln 6 Oct 2024 science
[Daily puzzle] is this number rational
1074 sats \ 10 comments \ @south_korea_ln 25 Oct 2024 science
[Not-so-daily puzzle] Playing with exponents
541 sats \ 1 comment \ @south_korea_ln 27 Dec 2024 science
[Daily puzzle] Another MSM puzzle
717 sats \ 10 comments \ @south_korea_ln 18 Oct 2024 science
[Not-so-daily puzzle] Two envelope puzzle
921 sats \ 12 comments \ @south_korea_ln 25 Dec 2024 science
[Daily puzzle] Maximum distance between 5 points in a square?
1410 sats \ 10 comments \ @south_korea_ln 9 Oct 2024 science
[Daily puzzle] Find the radius of the circle
1947 sats \ 26 comments \ @south_korea_ln 11 Oct 2024 science
[Daily puzzle] A short break (and some answers)
632 sats \ 4 comments \ @south_korea_ln 19 Oct 2024 science
[Daily puzzle] Locker problem
1159 sats \ 13 comments \ @south_korea_ln 2 Nov 2024 science
[Daily puzzle] MIT Entrance Examination, 1869-1870
510 sats \ 6 comments \ @south_korea_ln 30 Sep 2024 science