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同学们在解二次根式问题时常因概念不清,方法不当,或忽略题中的隐含条件,或考虑不周而误入“陷阱”.现举例加以剖析:
Students often misunderstood the “trap” when thinking about solving the secondary root problem because of unclear concepts, improper methods, or ignoring the implied conditions in the questions.