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[Daily puzzle] \sum{n=1}^m n^3 = \left( \sum_{n=1}^m n \right)^2?
473 sats
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11 comments
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@south_korea_ln
29 Sep 2024
science
related
[Daily puzzle] If m! x n! = 10! then m x n = ?
1022 sats
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22 comments
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@south_korea_ln
24 Sep 2024
charts_and_maps
[Daily puzzle] log of a sum and sum of logs
692 sats
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8 comments
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@south_korea_ln
16 Oct 2024
science
[Daily puzzle] \sum_0^{120} \frac{1}{\sqrt{n+1}+\sqrt{n}} = ?
769 sats
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11 comments
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@south_korea_ln
24 Sep 2024
charts_and_maps
[Daily puzzle] A short break (and some answers)
632 sats
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4 comments
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@south_korea_ln
19 Oct 2024
science
[Daily puzzle] Proving a curious equality
1061 sats
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14 comments
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@south_korea_ln
27 Oct 2024
science
[Daily puzzle] No calculator math
833 sats
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20 comments
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@south_korea_ln
12 Oct 2024
science
[Daily puzzle] A MSM puzzle
660 sats
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11 comments
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@south_korea_ln
17 Oct 2024
science
[Not-so-daily puzzle] Infinite product
358 sats
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1 comment
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@south_korea_ln
29 Nov 2024
science
[Daily puzzle] Sum of floors
973 sats
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4 comments
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@south_korea_ln
8 Nov 2024
science
[Not-so-daily puzzle] Playing with exponents
541 sats
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1 comment
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@south_korea_ln
27 Dec 2024
science
[Daily puzzle] How many pairs?
679 sats
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6 comments
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@south_korea_ln
9 Nov 2024
science
[Daily puzzle] Does cos(x^2)=0 have more solutions than cos(x)=0?
696 sats
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14 comments
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@south_korea_ln
27 Sep 2024
science
[Daily puzzle] Simple algebra problem.
1169 sats
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17 comments
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@south_korea_ln
28 Oct 2024
science
[Daily puzzle] Fill in the blanks
2368 sats
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20 comments
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@south_korea_ln
29 Oct 2024
science
[Not so daily puzzle] Sum-o wrestling
www.theguardian.com/science/2025/aug/18/can-you-solve-it-are-you-a-matcha-for-these-tasty-japanese-puzzles
950 sats
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7 comments
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@south_korea_ln
19 Aug 2025
science
[Daily puzzle] Triangle inequality
571 sats
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3 comments
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@south_korea_ln
10 Nov 2024
science
[Not-so-daily puzzle] Which one is bigger?
908 sats
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8 comments
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@south_korea_ln
20 Dec 2024
science
[Daily puzzle] Magic product puzzle
681 sats
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11 comments
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@south_korea_ln
15 Oct 2024
science
[Daily puzzle] Truth-tellers and liars
651 sats
\
6 comments
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@south_korea_ln
1 Nov 2024
science
[Not-so-daily puzzle] Two envelope puzzle
921 sats
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12 comments
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@south_korea_ln
25 Dec 2024
science
[Daily puzzle] Find area of white region
2026 sats
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18 comments
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@south_korea_ln
10 Oct 2024
science
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