@themaninblack@lemmy.world to memes@lemmy.world • 6 months agoMath(s)lemmy.worldimagemessage-square40fedilinkarrow-up1579arrow-down129
arrow-up1550arrow-down1imageMath(s)lemmy.world@themaninblack@lemmy.world to memes@lemmy.world • 6 months agomessage-square40fedilink
minus-square@testfactor@lemmy.worldlinkfedilink10•6 months agohttps://brilliant.org/wiki/proof-of-divisibility-rules/ The 7 and 13 rules are pretty cool too.
minus-square@GrammarPolice@lemmy.worldlinkfedilink3•edit-26 months agoThis 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.
https://brilliant.org/wiki/proof-of-divisibility-rules/
The 7 and 13 rules are pretty cool too.
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.