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判断集合间的关系是集合一章中的重要题型,也是命题的热点,同学们必须认真掌握,本文介绍几种方法,供同学们参考.一、对比集合中元素判断法
Judging the relationship between collections is an important question in the collection chapter, and it is also a hot point of the proposition. The students must take it seriously. This article introduces several methods for students’ reference. First, the element judgment method in the comparison set.