用微積分是可以的;不知直接證明容易不
所有跟帖:
• 可能沒有比微積分更簡單的了 -魁北克人- ♂ (0 bytes) () 02/17/2015 postreply 09:30:30
• 可能沒有比微積分更簡單的了 -魁北克人- ♂ (0 bytes) () 02/17/2015 postreply 09:30:30
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