ickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 11 months agoPaniki.postimg.ccimagemessage-square149fedilinkarrow-up11.31Karrow-down151
arrow-up11.26Karrow-down1imagePaniki.postimg.ccickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 11 months agomessage-square149fedilink
minus-squareoctoperson@sh.itjust.workslinkfedilinkarrow-up4·11 months 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.