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数学Math 125: Linear Algebra 4e 606 u2 n+ W# g" e0 X+ v' e
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Math 113/114: Single Variable Calculus 7e + solutions 60
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0 ]& i) m) L+ r% R心理Psychology 105: UA customized 90
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) ] V8 |! u9 o- @ ?$ p+ _' o% t社会Sociology 100: elements of sociology 70, @7 [" ~2 F& m7 _
% N5 i# e0 k5 x) f$ G物理Physics 124/126 2e 80
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化学Chem 101/102/103/105 80" c# s, _: N, i
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