求代数式极值的题在初中数学竞赛中很多.我在准备初三数学竞赛期间,做了很多求代数式极值的题目,发现“配方”用得较多,但具体求解时,要应用一些技巧和方法.现介绍给大家. The problem of solving algebraic expression extremes is very much in the junior high school math competition. During the preparation of the third-year math competition, I did a lot of questions for algebraic expressions. I discovered that the “recipes” are used more often, but some specific skills are needed to solve them. And methods. Now introduce to everyone.