卖二手textbook：
1. Mathematical Modeling with Case Studies, third edition, MATH 5131 textbook, 8 成新，10刀
2. Linear optimization and Extensions, 9.5成新，没有用过，10刀
3. Introduction to Probability Models, 10th edition, MATH 7241 textbook. 8成新， 15刀
4. Introduction to Operations Research, 10th edition, 9.5成新，上OR 6205 必用的教材，原价110刀，现价39刀.
5. Operations Research An Introduction, 10th edition, 10成新，包装未拆，OR 6205老师推荐使用的教材，10刀.
6. Operations Research Applications and Algorithms, Third edition，8成新，15刀.
7. Introduction to Probability, second edition, 10 成新，MATH 7241 推荐教科书，15刀.
8. Introduction to Modeling and Analysis of Stochastic Systems, second edition, 10成新，15刀. 
可自取可邮寄. 购买两本及以上9折，四本及以上8折.
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