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为啥我变成知名会员了？ 之前我是元老级的啊。。 知名会员相当于啥级别啊？

http://client.joy.cn/flvplayer/919125_1_0_1.swf

如何integrate (x+1)/(sqrt(x^4-x))?...integrations by parts, partial fraction, and trig substitution don't seem to work..... 谢谢！

RT

YouTube- Dance Like Michael Jackson: Official MV: FarEast Movement, Wong Fu Prod. ft. Quest Dance Crew

中国，我爱你

:crying:

RT 谢谢

郁闷，想买手机都买不成

YouTube - Tru Sauce Mixtape (2006 2009)

AMD: 2mb L2 cache Intel: 3mb L2 cache Which one would you recommend, why? Thanks a lot!!!

AMD: 2mb L2 cache Intel: 3mb L2 cache Which one would you recommend, why? Thanks a lot!!!

i'm back

给点儿建议呗

hehe

remember to change your clocks

http://player.youku.com/player.php/sid/XMTU3MjE1Mg==/v.swf

thnx

RT thanks in advance

Transit Strike is Over Stephanie Kinsella with Steve Winogron Thursday, January 29, 2009 As CFRA News was first to report, the OC Transpo strike is over. Three reliable sources inside city hall and another union insider tell CFRA news that negotiators representing the striking drivers...