在当前中学数学教学中,有些教师比较重视复习参考题和一些外来资料,而对于课本上例题的教学往往停留在就题论题、照本宣科的水平上:没有把例题应有的功能充分挖掘出来。其实,教材中例题的编选都是经过专家们的多次筛选精心编制的,它是教材编写者的匠心所在。教好例题,充分发挥例题的 In the current middle school mathematics teaching, some teachers pay more attention to the review of reference questions and some foreign materials, and the teaching of example problems in textbooks often stays at the level of topic problems and scripting and teaching: they do not fully excavate the functions of the examples. In fact, the compilation of examples in textbooks is carefully compiled by the experts’ multiple screenings. It is the ingenuity of the writer. Teach examples and give full play to examples