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一元三次函数是高中数学的重要内容,是高考的热点问题,2013年高考数学结束后,笔者发现学生遇到三次函数为背景的问题时感觉力不从心,经了解发现,原因是学生对三次函数的图像和性质掌握的不透彻,对函数性质的理解只是停留在记忆的层面上,达不到用图像和性质熟练解决问题的程度.因此,笔者想在高考专题复习时,教师引导学生系统地探究三次函数的图像和性质,让学生亲自从函数的
One yuan cubic function is an important part of high school mathematics, college entrance examination is a hot issue in 2013 college entrance examination after the end of mathematics, the author found that students encounter the third function as the background of the problem feel powerless, after understanding that the reason is that students on the cubic function of the image And the nature of the grasp of the lack of thorough understanding of the nature of the function just stay at the level of memory, not to use the image and nature of skilled problem-solving.Therefore, I want to review the college entrance examination topics, teachers guide students to systematically explore three times The image and nature of the function allow the student to function personally