themaninblack@lemmy.world to

memes@lemmy.world · 1 day ago

Math(s)

1

Math(s)

themaninblack@lemmy.world to

memes@lemmy.world · 1 day ago

Chat

testfactor@lemmy.world
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1 day ago
https://brilliant.org/wiki/proof-of-divisibility-rules/

The 7 and 13 rules are pretty cool too.
- GrammarPolice@lemmy.world
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  This is insane stuff. 13 is truly mesmerizing. Although I don’t think I’m sharp enough for the proofs. Even the divisibility by 2 proof looks hellish.

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