[{"title":"( 6 个子文件 1.84MB ) 离散数学课件(看了不挂科)","children":[{"title":"离散数学课件","children":[{"title":"第二部分 集合论.ppt <span style='color:#111;'> 603.00KB </span>","children":null,"spread":false},{"title":"第三部分 计数.ppt <span style='color:#111;'> 425.50KB </span>","children":null,"spread":false},{"title":"第一部分 数理逻辑.ppt <span style='color:#111;'> 1.22MB </span>","children":null,"spread":false},{"title":"第四部分 图论.ppt <span style='color:#111;'> 1.83MB </span>","children":null,"spread":false},{"title":"第一部分数理逻辑.ppt <span style='color:#111;'> 1.22MB </span>","children":null,"spread":false},{"title":"课程说明.ppt <span style='color:#111;'> 145.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]