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voxleone
38 days ago
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When 1+1+1 Equals 1
Beautiful math tricks. For things like these I think math education should start with sets and groups instead of numbers.
https://d1gesto.blogspot.com/2025/11/math-education-what-if-...
cbm-vic-20
38 days ago
[–]
I like Chapter 1 of Evan Chen's An Infinitely Large Napkin for some more theory.
https://web.evanchen.cc/napkin.html
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https://d1gesto.blogspot.com/2025/11/math-education-what-if-...