回复:回复:回复:Let me try
This question is not clear,but your ai+bi+ci=0 is not right.ai+bi+ci=i+1.
所有跟帖:
• master jinjing不得了。数学顶瓜瓜,提琴也会拉:) -戏雨飞鹰- ♀ (0 bytes) () 01/15/2010 postreply 18:42:08