ickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 1 年前Paniki.postimg.ccimagemessage-square143fedilinkarrow-up11.28K
arrow-up11.23KimagePaniki.postimg.ccickplant@lemmy.world to Lemmy Shitpost@lemmy.world · 1 年前message-square143fedilink
minus-squareMatch!!@pawb.sociallinkfedilinkEnglisharrow-up12·1 年前Quick check for divisibility: subtract 7 from it. If the new number is divisible by 7, then the original number is too
Quick check for divisibility: subtract 7 from it. If the new number is divisible by 7, then the original number is too