題意不清,+1 和 -1 是和n 並行的嗎?
所有跟帖:
• 抱歉,n+1和2Xn裏麵的n是平行的, -陶陶樂,樂陶陶- ♀ (19 bytes) () 01/10/2010 postreply 17:29:05
• 抱歉,n+1和2Xn裏麵的n是平行的, -陶陶樂,樂陶陶- ♀ (19 bytes) () 01/10/2010 postreply 17:29:05
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