ickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 1 year agoPaniki.postimg.ccimagemessage-square146fedilinkarrow-up11.31Karrow-down151cross-posted to: [email protected]
arrow-up11.26Karrow-down1imagePaniki.postimg.ccickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 1 year agomessage-square146fedilinkcross-posted to: [email protected]
minus-squareoctoperson@sh.itjust.workslinkfedilinkarrow-up4·1 year ago11 is alternating sum So, first digit minus second plus third minus fourth… And then check if that is divisible by 11.
11 is alternating sum
So, first digit minus second plus third minus fourth…
And then check if that is divisible by 11.