送交者: suprathinker 于 2011-03-04, 15:08:57:

回答: the sum is 50% 0 and 50% 1. 由 suprathinker 于 2011-03-04, 15:00:19:

• 没想明白，，， (无内容) - 3747 (0 bytes) 2011-03-04, 15:14:43 (555898)
  • you remove the first 1 from the sum and get a negative sum. (无内容) - suprathinker (0 bytes) 2011-03-04, 15:18:18 (555901)
    • 你喝高了吧？减去个1总和就在0和-1之中，也不一定是负的 (无内容) - Zzz (0 bytes) 2011-03-04, 16:13:39 (555919)
      • 1-1+1-1+，，，，=1/2---》-1+1-1+1+，，，，=-1/2 (无内容) - 3747 (0 bytes) 2011-03-04, 16:16:08 (555922)
        • u already got it. he needs more time. (无内容) - suprathinker (0 bytes) 2011-03-04, 17:00:49 (555937)
        • 我不明白他贴的这些的实际意义，只是尽量按他的思路去理解 (无内容) - 3747 (0 bytes) 2011-03-04, 16:47:49 (555934)
        • 你用＂定理＂证明推论，进而连＂定理＂本身也接受了？ (无内容) - Zzz (0 bytes) 2011-03-04, 16:42:45 (555932)
    • got it, thanks, (无内容) - 3747 (0 bytes) 2011-03-04, 15:37:54 (555904)

加跟贴