This is a beta course, so its structure, chapters, and examples may continue to change.第一个重要极限 This article is being translated. Please check back soon. Previous重要极限重要极限是极限计算中的基础工具，掌握这些极限可以大大简化复杂的极限计算。本节将系统地介绍各种重要极限及其应用。Next第二个重要极限
