▲ 1265 ▼ Panik (i.postimg.cc) submitted 2 years ago by ickplant@lemmy.world to c/lemmyshitpost@lemmy.world 146 comments fedilink hide all child comments
[–] octoperson@sh.itjust.works 4 points 2 years ago 11 is alternating sum So, first digit minus second plus third minus fourth... And then check if that is divisible by 11. permalink fedilink source parent
