Curated Tumblr

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For preserving the least toxic and most culturally relevant Tumblr heritage posts.

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Apytele@sh.itjust.works

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Hungry 9 (lemmy.likes.cat)

submitted 1 month ago by sag@lemm.ee to c/curatedtumblr@sh.itjust.works

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[–] Emmie@lemm.ee 5 points 1 month ago* (last edited 1 month ago) (1 children)

That's great but this is juggling numbers in memory and I simply cannot do this reliably. I will have this one current operation and put the other ones into the mental basket so to say and it evaporates and blurs as I calculate the other thing right so I wonder how these folks can do this and really fast. Not that I ever seriously tried other than some rare bored moments so maybe it is simply a matter of training?

Its very impressive though when you give these ppl two big numbers and they say result nearly in an instant

[–] Rekorse@sh.itjust.works 3 points 1 month ago

Over time those bigger numbers become more common too. Someone who can mentally do the type of problem I just did and get it right quickly likely have a ton of practice and will know quicker tricks, and be able to simplify it in a way.

Another part is they would be able to recognize a wrong answer more accurately as well. I didnt realize my answer was off by a lot until I put it in a calculator, but someone with more practice might know intuitively they were wrong.

I just don't consistently do this type of math, I used to be good at it in school but its become mostly irrelevant for me outside impressing someone a slight bit. It is helpful to have the ability to do things manually but it just rarely comes up.