高中代数第三册§132是研究一元一次不等式组的解法,其中有兩个例題是含絕对值的不等式,課本对这兩个例題的求解过程是这样进行的: 这样,將絕对值的不等式分成兩个不等式组而求其解,在理論上是比較完整的。因为对所有这一类型的不等式都能求得正确的結論。 The third book of high school algebra, § 132, is a set of solutions for studying the inequalities of one yuan. There are two examples of inequalities with absolute values. The textbook solution to these two examples is as follows: In this way, the absolute value of The inequality is divided into two inequalities and its solution is theoretically complete. Because for all this type of inequality, we can draw the right conclusion.