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排列中以计数问题为特征的内容,在现实生活中应用广泛,是学习概率统计知识的准备,是发展学生抽象能力和逻辑思维能力的好素材。下面以高中排列这一节为实例来说明。
The arrangement of counting features is widely used in real life. It is a preparation for learning the knowledge of probability and statistics, and is a good material for developing students’ abilities of abstraction and logical thinking. The following high school arranged in this section as an example to illustrate.