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对于求解含有参数的不等式,往往需要分若干情况讨论。而怎样分情况讨论则是中学生普遍感到困难的问题,这里将举例说明这类问题的几种典型处理方法。
For solving inequalities with parameters, it is often necessary to discuss several situations. How to discuss the situation is a problem that is commonly felt by middle school students. Here are some examples of typical treatment methods for such problems.