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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] Fill in the blanks
2368 sats \ 20 comments \ @south_korea_ln 29 Oct 2024 science
[Daily puzzle] Find the radius of the circle
1947 sats \ 26 comments \ @south_korea_ln 11 Oct 2024 science
[Daily puzzle] is this number rational
1074 sats \ 10 comments \ @south_korea_ln 25 Oct 2024 science
[Daily puzzle] Diameter of circle
2175 sats \ 13 comments \ @south_korea_ln 14 Oct 2024 science
[Daily puzzle] Simple algebra problem.
1169 sats \ 17 comments \ @south_korea_ln 28 Oct 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 ratio
847 sats \ 8 comments \ @south_korea_ln 26 Oct 2024 science
[Daily puzzle] A MSM puzzle
660 sats \ 11 comments \ @south_korea_ln 17 Oct 2024 science
Zap to Zero Day 6
3867 sats \ 19 comments \ @ek 2 Jan 2024 meta
[Not-so-daily puzzle] Which one is bigger?
908 sats \ 8 comments \ @south_korea_ln 20 Dec 2024 science
[Daily puzzle] Prime number puzzle
636 sats \ 30 comments \ @south_korea_ln 26 Sep 2024 science
[Daily puzzle] Proving a curious equality
1061 sats \ 14 comments \ @south_korea_ln 27 Oct 2024 science
[Daily puzzle] No calculator math
833 sats \ 20 comments \ @south_korea_ln 12 Oct 2024 science
[Daily puzzle] Exact value of continued fraction
655 sats \ 7 comments \ @south_korea_ln 6 Oct 2024 science
[Not-so-daily puzzle] Circle fun
757 sats \ 0 comments \ @south_korea_ln 29 Jan 2025 science
[Daily puzzle] \sum_0^{120} \frac{1}{\sqrt{n+1}+\sqrt{n}} = ?
769 sats \ 11 comments \ @south_korea_ln 24 Sep 2024 charts_and_maps
Only Cowboys Get Rewards: and other ideas
1652 sats \ 82 comments \ @Undisciplined 14 May 2024 meta
[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] Temporary break
682 sats \ 4 comments \ @south_korea_ln 16 Nov 2024 science
[Daily puzzle] Another MSM puzzle
717 sats \ 10 comments \ @south_korea_ln 18 Oct 2024 science