file:基础精讲视频勘误(张宇).pdf file:高数上基础练习题解析.pdf file:第一讲极限02(张宇基础精讲).pdf file:2020张宇数学基础班02.pdf file:01.多元函数积分学.mp4 file:02.无穷级数02 展开和求和.mp4 file:02.二重积分的概念.mp4 file:01.多元函数微分学 概念01【微信公众号：考研资料网】.mp4 file:02 导学—反常积分敛散性判定2【微信公众号：考研资料网】.mp4