总结1F展望2F
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[quote]原帖由 [i]Michal[/i] 于 2009-3-6 23:09 发表 [url=http://bbs.xyz-soft.com/redirect.php?goto=findpost&pid=692614&ptid=40495][img]http://bbs.xyz-soft.com/images/common/back.gif[/img][/url]
RT=0
XSK XSK XSK
其实RT因为ZK的曾经存在造成至少曾经不是...0 [/quote]
這樣
1/n > RT > 0
lim n->infinity (1/n) = 0 = lim n->infinity 0
lim n->infinity RT = ???