[{"title":"( 3 个子文件 52.01MB ) 2020张宇1000题-习题(数学一).rar","children":[{"title":"2020张宇1000题-习题分册-线代(数一).pdf <span style='color:#111;'> 13.70MB </span>","children":null,"spread":false},{"title":"2020张宇1000题-习题分册-高数(数一).pdf <span style='color:#111;'> 31.12MB </span>","children":null,"spread":false},{"title":"2020张宇1000题-习题分册-概论(数一).pdf <span style='color:#111;'> 11.89MB </span>","children":null,"spread":false}],"spread":true}]