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排列组合问题,其解题过程充满思辨性和解法的多样性,对运用数学思想与方法技巧的要求较高.数学竞赛中的排列组合问题,对抽象模型或进行对应转化或有序列举或巧妙列举的能力要求更高.这里对近年高中数学竞赛中排列组合中的三类问题进行探析.
Arrangement of combination problems, the problem-solving process is full of speculative and solution diversity, the use of mathematical thinking and methodological skills are higher.Mathematical competition arrangement and combination of the abstract model or the corresponding conversion or orderly enumeration or clever Listed capacity requirements higher here in the high school mathematics competition arranged in the combination of three types of problems to explore.