Shortest walking tour to 81,998 bars in Korea – TSP solved in 178 days

https://www.math.uwaterloo.ca/tsp/korea/index.html

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“Would You Rather Math” is math class gold 🏆

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Mind Math
20% is less than or equal to 1/5?

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TRY THIS!

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Making any integer with four 2s — https://eli.thegreenplace.net/2025/making-any-integer-with-four-2s/
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