摘 要 中学数学中求最值问题涉及的知识面大,解决问题的方法多,所以在高考里占了较大比重。近几年数学高考的试卷中,最值问题涉及到的知识点有三角形,数列,函数,不等式,几何等等。本文对近年浙江高考数学最值问题的题目及其解题方法做了归纳整理,使学生更针对性的复习,更加迅速的找到解决试卷上最值问题的方法。对于最值问题的解决方法已经有学者研究透彻,给出了各种方法的深入研究,也有各种方法的统一归纳,在此基础上,加上历年的高考试卷总结。通过文献研究法,定性分析法等等来对于高考数学中最值问题进行分析归纳。给出对于解决最值问题的建议,方便最值问题的复习,在实际解决问题时更快速更容易的找到对应的方法。89832
abstract For the minimum/maximum problems relates to the knowledge of high school mathematics, there are many methods to solve the problems, so those problems have a large proportion in the college entrance examination 。 In recent years the mathematics college entrance examination papers, most of the problems related to the knowledge points are triangular, sequence, function, inequality, and so on。 This paper summarizes the geometry of finishing in recent years Zhejiang college entrance examination mathematics about minimum/maximum problems and the methods。 The methods for solving the most value problem has been studied thoroughly, in-depth study of various techniques is given, there are various methods of unity on the basis of induction。 Plus, the college entrance examination papers summarized。 Through literature research, qualitative analysis and so on to the value of mathematics in college entrance examination are analyzed in this paper。 To solve the problems are suggested, the most convenient value problem In the actual problem solving, it is faster and easier to find the corresponding method
毕业论文关键词:高考;最值问题;解题方法
Key words: college entrance examination; the most value problem;method solving problem
目 录
1。引言 4
1。1最值问题的重要性 4
1。2高考数学中最值问题所涉及的知识点 4
1。3研究高考试卷最值问题的必要性 4
2。分段函数最值问题求解 5
2。1函数单调性和数形结合法 5
2。2不等式法和每段函数的单调性 7
3。含有参数的最值问题 7
3。1分类讨论法 7
3。2分离参数的方式 8
4。向量最值问题 9
5。圆锥曲线最值问题 10
5。1数形结合法 10
6。几何图形最值问题 12
6。1综合法和构造函数法 12
6。2数形结合法 14
7。三角函数最值问题 14
7。1利用配方法解决 15
7。2利用正余弦函数的有界性 15
7。3利用换元法 16
8。结论 16
参考文献 17
致 谢 19