• Kusimulkku@lemm.ee
        link
        fedilink
        arrow-up
        2
        ·
        edit-2
        9 个月前

        I think it comes from nine-tens. But if you check, that commenter didn’t write it so.

    • KoalaUnknown@lemmy.world
      link
      fedilink
      arrow-up
      2
      ·
      edit-2
      9 个月前

      Same for Japanese

      🇯🇵: 9•10+7

      九(kyuu) 十(juu) 七(nana)

      Also, similar to English, 20 does not follow the pattern but instead has its own word. (Still written as 2•10 though)