網上老師,是大學比較差的...用條件期望算,可以,自找麻煩.
所有跟帖:
• 如從13算起,已知00,因15次可能是0,1,則 -wxcfan123- ♂ (69 bytes) () 09/19/2011 postreply 18:27:57
• Prob. tree can tell you everything. -jinjing- ♀ (0 bytes) () 09/20/2011 postreply 10:18:20
• 如從13算起,已知00,因15次可能是0,1,則 -wxcfan123- ♂ (69 bytes) () 09/19/2011 postreply 18:27:57
• Prob. tree can tell you everything. -jinjing- ♀ (0 bytes) () 09/20/2011 postreply 10:18:20
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