PHIL 2001 INTRODUCTION TO SYMBOLIC LOGIC :课本,笔记,考卷-----30刀
MATH 2108 ELEMENTS OF MODERN ALGEBRA -----25刀
MATH 3801 LINEAR PROGRAMMING---------15刀
MATH 3802 ---------20刀 (新的没用过)
ECON 3603 -----------30刀(这门课很简单:p)
SoldECON 4706 basic econometrics---------30刀 和 SHAZAM User's...