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学习平方根与算术平方根,要切实理解它们的意义,准确地把握定义的隐含条件,要正确地区分平方根与算术平方根,会用平方与开平方之间的关系求一个非负数的平方根及算术平方根,会应用平方根与算术平方根的性质解题.
To learn square roots and square roots of arithmetic, we must effectively understand their meanings and accurately grasp the implicit conditions of the definitions. To correctly distinguish the square root from the square root of arithmetic, we use the relationship between square and square to find the square root and square root of a non-negative number. The square root and the arithmetic square root are used to solve the problem.