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有关根式的化简、求值、证明问题中,通常遇到去根号,去根号常见有两种方法,下面通过例题说明. 一、把被开方式转化为平方式或立方式.
In the root simplification, evaluation, and proof problems, we usually encounter the root number. There are two common ways to go to the root number. The following examples illustrate. I. Turn the opened method into the flat method or stand method.