新数启蒙 (1-5) – 给16岁以上的中学生

This “Modern Math” Introductory Course is based on the French Baccalaureate “Modern Math” for 16+ years old, simplified & customized for local students in Chinese.

https://v.ixigua.com/e6mRFnP/

（1）集合： 等价关系 Equivalence Relation

https://v.ixigua.com/e6mDFhw/

（2）集合与集合的关系：映射 Mapping

https://v.ixigua.com/e6mfC4C/

(3) 新数 历史： Bourbaki 学派

https://v.ixigua.com/e6mjedR/

（4）由外向内看代数结构 : 域Field，环 Ring，群 Group，向量空间 Vector Space

https://v.ixigua.com/e6mj5sd/

(5) 域 Field : 足球场

https://v.ixigua.com/e6mkau7/