[{"title":"( 6 个子文件 600KB ) 工程数学线性代数同济大学","children":[{"title":"线性代数(同济四word版)习题答案","children":[{"title":"05.doc <span style='color:#111;'> 413.00KB </span>","children":null,"spread":false},{"title":"04.doc <span style='color:#111;'> 415.50KB </span>","children":null,"spread":false},{"title":"06.doc <span style='color:#111;'> 203.50KB </span>","children":null,"spread":false},{"title":"02.doc <span style='color:#111;'> 507.00KB </span>","children":null,"spread":false},{"title":"01.doc <span style='color:#111;'> 367.50KB </span>","children":null,"spread":false},{"title":"03.doc <span style='color:#111;'> 413.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]