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集合是近代数学中的一个重要概念,它不仅与高中数学的许多内容有着广泛的联系,而且作为一种思想、一种语言和一种工具,集合的知识已经渗透到自然科学的众多领域,集合的术语在科技文章和科普读物中比比皆是.掌握好集合的知识既是数学学习本身的需要,也是全面提高数学素养的一个必不可少的内容.但是由于集合这一单元中,概念抽象,出现的符号术语多,研究方法跟学习初中数学时有明显的差异,致使不少同学
The collection is an important concept in modern mathematics. It not only has extensive connection with many contents of high school mathematics, but also serves as a kind of thought, a language and a tool. The knowledge of assembly has permeated many fields of natural science. Of the terminology abounds in scientific articles and popular books.Good knowledge of the collection is not only the need of mathematics learning itself, but also an essential part of improving mathematics literacy.But due to the concept of abstract in this unit of collection, The symbol of many terms, research methods and learning junior high school mathematics have obvious differences, resulting in many students