Thank you,you correct me the +,-.some where.Up is answer.

來源: jinjing 於 2010-09-14 10:09:35 [檔案] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: I got this transition. but,can you show what n equations are? 由皆兄弟也於 2010-09-14 08:41:16

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