[{"title":"( 3 个子文件 1.86MB ) 华东师大数学分析课件","children":[{"title":"第2章数列极限","children":[{"title":"2-3.ppt <span style='color:#111;'> 911.00KB </span>","children":null,"spread":false},{"title":"2-1.ppt <span style='color:#111;'> 870.00KB </span>","children":null,"spread":false},{"title":"2-2.ppt <span style='color:#111;'> 983.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]