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最值问题是初中数学中的一类常见的问题,无论是在代数还是在几何中都会出现.它也是各类考试中的热点问题,以其表现形式多样、内容涉及面广、知识综合性强等特点越来越受到命题者的关注.但许多学生在遇到此类问题时,感到无从下手,找不到适当的切入点,导致思维阻滞.为了让学生开拓思维,提高分析能力,使学生从畏难的情绪中解脱出来,在教学中教师应予以高度重视.下面笔者就对最值问题的分类以例题形式进行分析.
The most value problem is a kind of common problem in junior high school mathematics, no matter in algebra or in geometry, it is also a hot issue in all kinds of examinations, with its various forms of expression, covering a wide range of knowledge and strong syntheses And other characteristics are more and more concerned by the proponents.However, many students find it hard to start when they encounter such problems and can not find the appropriate starting point, which leads to the blocking of thinking.In order to enable students to develop their thinking and improve their analytical skills, Students freed from the fear of the emotions, teachers should be highly valued in teaching below the author on the classification of the most value problems in the form of examples to analyze.