帮朋友出售math120 Linear Algebra and its applications, 3rd edition (BY David C, Lay)7 F3 n3 x s! t* z4 o# C1 S
书是上学期买的新的 in a good condition 不过边角有些小损伤 ; R$ j7 U. Y: p% h; r+ U1 \她准备出价$80-85左右 价钱可以商量一下如果有意要买 5 L6 F) e- r/ g) r: W; `
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