论文部分内容阅读
初中《代数》第一册是这样定义一元一次方程的,只含有一个未知数,并且未知数的次数为1,系数不等于0,这样的方程叫一元
The first volume of the “Algebra” in junior middle school is a one-ary first-order equation that contains only one unknown number, and the number of unknowns is one, and the coefficient is not equal to zero. Such an equation is called a yuan.