This is a beta course, so its structure, chapters, and examples may continue to change.初等变换与矩阵秩 This article is being translated. Please check back soon. Previous应用与练习学习分块矩阵的逆矩阵求法，并通过实例和练习巩固解矩阵方程的能力。Next矩阵综合练习题（上）矩阵章节的综合练习题，涵盖所有重要知识点（上半部分）
