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数学中的对应无处不在,数学解题就是把一个问题不断转化成另一个与之对应的较易解决的问题,可以说,数学解题过程自始至终贯串着对应思想.不过问题之间的对应关系往往并不是显露在外,而是深藏其中,这就需要我们去细心探求,深入挖掘,化隐为显.本文借助对应思想揭示此问题与彼问题之间的对应关系,探讨一些计数问题的解法.
The correspondence in mathematics is ubiquitous. Mathematical problem solving transforms one problem into another one that can be easily solved. It can be said that the process of solving mathematical problems runs through the corresponding thoughts from beginning to end. However, the correspondence between problems Often not revealed, but hidden in them, which requires us to carefully explore, dig deeper, hidden is obvious.This article reveals the corresponding relationship between the problem and his problems, to explore some solutions to the counting problem .