数学解题中,时遇某些问题用常规思路解答往往繁杂冗长,甚至有时难以奏效,而用非常规策略解答,则思路新颖,方法巧妙,过程简明,表达利落;可避繁就简,化难为易,事半功倍,从而获得筒捷、合理、准确、迅速的解题效果。下面举例述之。 1.求值(函数值、最值、比值) In mathematics problem solving, it is often complicated and time-consuming to solve some problems with routine thinking, and sometimes it is difficult to work. However, if you use unconventional strategies to solve problems, the ideas are novel, the methods are ingenious, the process is concise, and the expression is neat; It is difficult and easy to do, and it is more effective. Therefore, it is possible to obtain a solution that is reliable, accurate, and rapid. Here’s an example. 1. Evaluate (function value, maximum value, ratio)