一元一次不等式组和它的解法说课设计□鞍山市二十一中学刘婷婷一、教材分析１．本节课的地位和作用不等式这一章的教学，是初中代数一个相对独立的内容，学生对这一章的出现感觉突然，教学时间又短，所以，教师要想尽方法给学生打下有关不等式知识的较深烙印，因为它在今... One-time inequality group and its solution to the lesson design □Liu Tingting, Anshan City Twenty-one Middle School I. Textbook Analysis 1. The position and role of this lesson in the inequality teaching in this chapter is a relatively independent content of junior high school algebra, students feel the sudden emergence of this chapter, teaching time is short, so teachers should try their best to lay down the inequalities for students. The deeper branding of knowledge, because it is in this...