Ϣ³

http://www.digistats.net/image/2009/10/eq8_3.gif Фơ

http://www.digistats.net/image/2009/10/eq8_4.gif ǤʤС

http://www.digistats.net/image/2009/10/eq8_5.gif Ȥʤꡢ

f(x) x=a Ϣ³Ǥ롣



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Last-modified: 2009-10-08 () 19:45:12 (5314d)