【摘要】 排列组合问题的内容比较抽象,解题方法比较灵活,很多学生感到难学,尤其在解应用题时不知从 何入手。针对上述情况,本文从排列组合问题的解题原则和解题策略两方面阐述了解排列组合应用题的 方法,并附以相应的例题。更多还原

【Abstract】 IThe problems concerning permutations and combinations are so abstract and the approaches to solving them are so flexible that many students find them hard to learn and are often at loss how to solve the applied problems. In view of the above situation, this paper attempts to elaborate the approaches to solving the applied problems in permutations and combinations from the two aspects of solving principles and solving strategies. The relevant examples are given.更多还原