对问题进行多角度、全方位的分析,探究通性通法,可以拓展学生的思路,优化学生的思维品质,培养学生的创新与探究意识,提高学生分析问题与解决问题的能力.二元函数的最值问题历来是高考的热点问题,也是难点之一.现对高三复习中的一道题目从多个角度进行分析与归纳,充分挖掘试题的价值与内涵,得到该题三种不同的解法,颇感受益, The multi-angle and comprehensive analysis of the problems and the exploration of the general method of communication can broaden the students’ thinking, optimize the students’ thinking qualities, cultivate the students’ awareness of innovation and inquiry, and improve their ability of analyzing and solving problems. The value of the problem has always been a hot issue in the college entrance examination, but also one of the difficulties is now a senior high school review of a topic from a number of angles analysis and induction, fully tap the value and connotation of the test, get the problem three different solutions, Quite benefit