無論是方差還是長差,也不會變
不用學統計。"差"就是difference。都加5還有啥difference?
所有跟帖:
• 噢,我看來主要是沒看懂題目中的名詞的意思 -陶陶樂,樂陶陶- ♀ (0 bytes) () 12/06/2009 postreply 12:46:32
• 噢,我看來主要是沒看懂題目中的名詞的意思 -陶陶樂,樂陶陶- ♀ (0 bytes) () 12/06/2009 postreply 12:46:32
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