平方差公式和完全平方公式是初中数学中很重要的公式,它们的应用十分广泛.有些与这两个公式相关的题若按常规思路去解,则繁琐易错,但同学们如果能根据题目的结构特点联系相关知识,灵活运用这两个公式来求解,就能收到事半功倍的效果. The square difference formula and the complete square formula are very important formulas in the junior high school mathematics, and their application is very extensive. Some of the questions related to these two formulas are tedious and error-prone if they are solved according to the conventional thinking, but if the students can according to the title The structural features associated with the relevant knowledge, flexible use of these two formulas to solve, you can receive more effective results.