> 打错了
>   是加3=36 
>         36+3=39
>              39+1=40

• Re:+3,+1? (25) tcxgsy 2005-08-17 20:47:39
  • by one smaller than the length of the previous step (29) frkstyc 2005-08-17 20:51:13
    • Re: by one smaller than the length of the previous step (7) tcxgsy 2005-08-17 20:58:36
      • Re: by one smaller than the length of the previous step (73) xianyunsc 2005-08-17 21:42:02
        • Re: by one smaller than the length of the previous step (11) tcxgsy 2005-08-17 21:55:41
          • 第一步和最后一步必须是1,中间的每一步只能:比上一步大1,相等,或者小1 (15) xfxyjwf 2005-08-17 21:58:34
        • Re: by one smaller than the length of the previous step (11) tcxgsy 2005-08-17 21:55:43
          • Re: by one smaller than the length of the previous step (36) xianyunsc 2005-08-18 20:14:47