为了让学生又好又快又准地进行因式分解,通过多年的教学经验,“又好”主要让学生弄清楚因式分解的定义和掌握因式分解的方法,“又快”主要是让学生掌握灵活选择因式分解的方法和技巧,“又准”主要让学生会判断自己因式分解是否正确。因式分解是初中数学教学的一个重点,也是一个难点,更是学生难以掌握的一个内容,因为因式分解是整式运算的逆过程,也可以说是对学生逆向思维的一种训练,因此学生难以掌握。 In order to enable students to make good and fast and accurate factorization, through years of teaching experience, “good ” mainly to enable students to understand the definition of factorization and master factorization method, “fast ”The main is to allow students to master the flexible choice factorization methods and techniques, “ and allow ”mainly for students to determine their own factorization is correct. Factorization is a key, but also a difficult point in junior high school mathematics teaching, but also a difficult for students to grasp a factor, because the factorization is the inverse of integer arithmetic, it can be said that the students a reverse thinking training, so students Difficult to grasp.