nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq6tneke6u6pvla2drpws3l7f2g2zamwcyrlfgpks0hjqjrz57cgvs0s3kqn i think that with arithmetic, a certain amount of memorization and basic practice is necessary, but after that, i wonder if "puzzle solving" and framing certain kinds of problems as puzz...