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范围讨论的计算题是近几年高考题中出现的一种新题型,题目变化大,思考性强,综合能力要求高,考生往往得分不高,究其原因,一方面是没有掌握这类题型的解题规律,另一方面是未理顺解题思路,造成思维混乱,导致错解或犯了以偏概全的错误,因此,有必要归纳、总结这类题目的解题规律和方法;进而达到拓宽知识视野,优化思维品质,提高解题的准确度.
The calculation problem of the scope discussion is a new type of question that has appeared in the college entrance examination questions in recent years. The topics vary greatly, the thinking is strong, the comprehensive ability requirements are high, and the candidates often do not score high. The reason is, on the one hand, there is no such kind of grasp. The problem-solving law of the questions type, on the other hand, is unreasonable and solution-solving ideas, resulting in confusion of thinking, leading to misunderstandings or erroneous mistakes. Therefore, it is necessary to summarize and summarize the problem-solving rules of such topics. Method; and then to broaden the knowledge horizon, optimize the quality of thinking, improve the accuracy of problem solving.