This is a beta course, so its structure, chapters, and examples may continue to change.矩阵综合练习题（上） This article is being translated. Please check back soon. Previous初等变换与矩阵秩学习初等变换、初等矩阵、矩阵秩、矩阵等价和分块矩阵Next矩阵综合练习题（下）矩阵章节的综合练习题，涵盖所有重要知识点（下半部分）
