将二次根式化为最简二次根式既是二次根式性质的综合应用，又是二次根式加减运算的基础．对此，除了应理解和掌握最简二次根式的定义之外，同时还要掌握化二次根式为最简二次根式的依据、方法、类型和一些技巧．一、化二次根式为最简二次根式的根据。化二次根式为最简二次根式? The secondary rooting to the simplest secondary roots is not only the comprehensive application of the secondary roots, but also the basis of the secondary root addition and subtraction. In this regard, in addition to understanding and mastering the definitions of the simplest secondary roots, we must also grasp the basis, methods, types, and techniques of secondary roots as the simplest secondary roots. 1. The secondary root formula is based on the simplest secondary root formula. The secondary root formula is the simplest secondary root formula?