The dissertation introduces some important concepts and correlative operational laws of linear equations and matrix in Higher Algebra in a middle school Mathematics statement style, specifies and popularizes abstract definitions and laws with examples.

• 本文以中学数学的陈述方式引入《高等代数》课程的线性方程组和矩阵的重要概念和相关的运算法则 ,从实例出发将抽象的定义、法则具体化和通俗化。