在解答一次不等式(组)时,需要掌握有关不等式的基本概念和基本运算方法,并熟练掌握一些解题技巧.同时,还可利用极易出现错误的典型例题,引导学生吸取反面的教训,从而加强对概念的深刻理解,以达到准确灵活解题的目的.下面,就一次不等式和不等式组中常出现的问题给予总结. When answering an inequality (group), you need to master the basic concepts and basic operations of inequalities, and master some problem-solving skills. At the same time, you can use typical examples that are prone to errors and guide students to learn negative lessons. Strengthen the deep understanding of the concept, in order to achieve the purpose of accurate and flexible solution. In the following, summarize the problems that often appear in inequalities and inequalities.