《数的开方》的第1节学习了初中阶段六种运算中的最后一种数的运算——开平方、开立方(统称开方),其结果分别称为平方根与立方根(统称方根).现以本节的典型习题为例,分类解读如下,供同学们学习时参考. The first section of the “Number of Prescriptions” section deals with the calculation of the last number in the six types of operations in the junior high school: open squares and open cubes (collectively referred to as square roots). The results are called square roots and cube roots (collectively called square roots). ). Now take the typical exercises in this section as an example, the classification is interpreted as follows, for reference when the students learn.