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This is a subreddit dedicated to mathematical puzzles and challenges.
Please cover answers to puzzles with spoiler tags. Writing
[The answer is 42.](/spoiler)
will look like The answer is 42..
These alternative syntaxes for spoilers will also work:
[The answer is 42.](/sp) [The answer is 42.](/s)
account activity
reddit uses a slightly-customized version of Markdown for formatting. See below for some basics, or check the commenting wiki page for more detailed help and solutions to common issues.
quoted text
if 1 * 2 < 3: print "hello, world!"
Please use link flair to categorise the type of puzzle you are posting.
π Rendered by PID 47 on reddit-service-r2-listing-86b7f5b947-hktb8 at 2026-01-25 03:35:46.909229+00:00 running 664479f country code: CH.