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1300估计是calculus 或者 linear algebra之类的吧?
heian
(忘了长翅膀的天使)
(#217846@0)
Last Updated: 2001-10-6
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忙了一个星期,上来发现找个人抬杠的都没有,狗尾巴有没有啥可以侃的?
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