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In your childhood or adolescence, or maybe as an adult, have there been types of exercises or puzzles that you think have improved your mathematical intelligence and in particular the spatial thinking? If yes, which ones?

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  • $\begingroup$ I recently discovered twitter.com/BongardDaily $\endgroup$ May 14, 2019 at 7:48
  • $\begingroup$ Very nice, thanks for your contribute :) ( I have little reputation points for being able to vote) $\endgroup$
    – AleWolf
    May 14, 2019 at 8:15

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