化简二次根式是同学们学习中的难点,其原因在于没有固定的模式,需要具体题目具体分析.现将化简二次根式常用的十种技巧介绍给同学们. 一、巧用公式本例连续应用平方差公式,清晰明快.二、巧用逆运算 Simplifying the secondary root model is a difficult task for the students to learn. The reason is that there is no fixed pattern and specific analysis is needed for the specific topics. Now the ten commonly used techniques to simplify the secondary root model are introduced to the students. Example of continuous application of the square difference formula, clear and crisp. Second, the use of inverse operations