特殊化方法 ,就是根据问题所给的全部信息 ,通过观察分析 ,选取包含在问题的条件 (或结论 )中的某个特殊值 ,或某个特殊情形 ,经过简单的推理、判断或运算就得出问题的正确答案的方法 ,这种方法 ,不注重解答过程的规范化 ,也不讲究解答过程的严密性 ,它的宗旨是不管中间过程如? Specialization method is based on all the information given by the problem, through observation and analysis, select the conditions contained in the problem (or conclusion) of a special value, or a special case, after a simple reasoning, judging or computing The correct answer to the problem, this method does not pay attention to the standardization of the process of answering the question, nor does it pay attention to the rigor of answering the question. Its purpose is that no matter what the intermediate process is,