排列组合问题,通常与实际联系,较生动有趣,但题型多样,解法灵活.解决这类问题的有效方法是将题型与解法归类,识别模式,熟练运用.下面介绍几种排列组合问题的解答方法.1相邻元素捆绑法所谓“捆绑法”,就是在解决要求某几个元素相邻问题时,可整体考虑将相邻元素视为一个“大”元 Arrange combinatorial problems, usually associated with the actual, more vivid and interesting, but the types of questions, the solution is flexible.An effective way to solve such problems is the problem-solving and classification, identification mode, skilled use. Here are some arrangements and combinations The answer method.1 The adjacent element binding method The so-called “binding method” is to solve the problem of requiring adjacent elements of a few elements, the overall consideration of the adjacent elements as a “big” yuan