在学习二元一次方程组时,大家接触到了如下几个定义: 1.二元一次方程的定义; 2.二元一次方程组的定义; 3.二元一次方程的解的定义; 4.二元一次方程组的解的定义。这几个定义虽较简单,但初学者在理解上常常出错。 When studying the binary equations, we were exposed to the following definitions: 1. The definition of the binary equation; 2. The definition of the binary equation system; 3. The definition of the solution to the binary equation. The definition of a solution to a system of equations of a yuan. Although these definitions are relatively simple, beginners often make mistakes in their understanding.