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Are there any good math puzzle sites or apps? (slrpnk.net)
submitted 5 months ago by to c/asklemmy@lemmy.world
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I remember doing combinatorics puzzles and number theory exercises in platforms like Brilliant when I had a bit of free time. All the while learning something. But the last time I tried Brilliant I did not enjoy it as much and I can't afford it not anyway.

Does anyone have any recommendations of websites (or webrings), apps or games about or that touch on:

  • combinatorics puzzles
  • modular arithmetic puzzles
  • concepts or exercises of number theory
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[–] 4 points 5 months ago

If you like geometry and trig, the apps Pythagorea and Euclidea are very fun puzzles. They're free and there are hundreds of puzzles. They get very difficult.

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