数学例题是帮助学生及时巩固新学习的概念、定理、性质的数学问题.一般具有下手容易、计算量小的特点.有很多教师在讲授新课时认为书本上的例题太简单,不值得花时间讲解.笔者认为书本上的例题都是编者经过反复推敲而精选的,应该充分发挥其作用.从我省10年高考试卷和10年新 Mathematical example is to help students consolidate the concept of new learning in time, the nature of the mathematical problems .Generally easy to start with a small amount of computation characteristics .There are many teachers in the teaching of new courses think books are too simple, not worth the time to explain . I think the book examples are edited by the editor repeatedly selected, and should give full play to its role.From 10 years of college entrance examination papers and 10 years of new