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著名的数学教育家波利亚认为:“一个有责任心的教师与其穷于应付烦琐的数学内容和过量的题目,还不如适当选择某些有意义但又不太复杂的题目去帮助学生发掘题目的各个方面,在指导学生解题的过程中,提高他们的才智与推理能力.”因此,在如此紧张的高三复习备考中,例题教学就显得十分重要了.一、选好例题,起到把关作用在浩瀚的题海中,如何选取优秀的、典型的例题,是我们每一位高三数学教师所必须面对的现实.因为好的例题,不仅是
Poliya, a well-known math educator, said: “A responsible teacher is not as good at coping with cumbersome math and over-abundance as he is by choosing some meaningful but not too complicated subject to help students explore In all aspects of the subject, in guiding students to solve the problem, improve their ability of intelligence and reasoning. ”Therefore, in such a tight preparation for review, the sample teaching is very important. To the role of check in the vastness of the sea, how to choose excellent, typical examples, is that every one of our senior high school mathematics teachers must face the reality. Because good examples, not only