不少从事数学教育教学多年的教师,一直存有一个疑问:同样的教材,一样的学生,为什么有的老师带的班级考得出类拔萃,而有的老师“使劲”最大,却考得一塌糊涂?一直相信“没有教不好的学生,只有教不好的老师”的我不得不慎重考虑一下这方面的原因及对策,并写成此文,希望能起到“抛? Many teachers who have worked in mathematics education for many years have always had a question: The same teaching materials, the same students, and why some teachers bring the class exams to the top, while some teachers have “strengthened” to the greatest extent, but they have made a mess. I believe that “there are no poorly-educated students and only poorly-teaching teachers,” I have to carefully consider the causes and countermeasures in this regard, and write this article in the hope that I can play a "toss?