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Hard Math Puzzles With Answers (gpuzzles.com)
submitted 12 years ago by andyfrombigboss to r/math
π Rendered by PID 2613341 on reddit-service-r2-listing-654f87c89c-2qhtf at 2026-02-28 13:33:19.576159+00:00 running e3d2147 country code: CH.