[{"title":"( 8 个子文件 3.84MB ) 高数 北大版 李周 下册答案","children":[{"title":"gaoshudaanxia","children":[{"title":"exercise6.pdf <span style='color:#111;'> 215.18KB </span>","children":null,"spread":false},{"title":"高数第十章习题解答.pdf <span style='color:#111;'> 1.58MB </span>","children":null,"spread":false},{"title":"summary.pdf <span style='color:#111;'> 125.85KB </span>","children":null,"spread":false},{"title":"exercise7.pdf <span style='color:#111;'> 148.92KB </span>","children":null,"spread":false},{"title":"高数exercise8答案.pdf <span style='color:#111;'> 152.43KB </span>","children":null,"spread":false},{"title":"exercise11.pdf <span style='color:#111;'> 134.64KB </span>","children":null,"spread":false},{"title":"exercise10.pdf <span style='color:#111;'> 193.04KB </span>","children":null,"spread":false},{"title":"高数第九章解答(1).pdf <span style='color:#111;'> 2.09MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]