在现行教材中证明不等式主要介绍了三种常规方法,即比较法、综合法和分析法.比较法是一种最基本、最重要的方法;综合法是由因导果;分析法则是执果索因.但在实际运用这些方法证明不等式 The inequality proved in the current teaching materials mainly introduces three conventional methods, namely comparison method, synthesis method and analysis method. The comparison method is one of the most basic and most important methods; the synthesis method is due to the direct result; the analysis rule is the result. Soine. But in practice using these methods to prove inequality