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新GRE数学考点之Set

信息来源:网络  发布时间:2013-06-07

  关于Set的新GRE数学考点内容,在考试中一定会考到的,下面我们来看一下详细的介绍。
 

  Set
 

  A set is a collection of objects or things. Each object in a set a member or element of that set.Size of a set is the number of members in the set.
 

  Example:
 

  The set of even numbers between 2 and 10 is of size 5:{2,4,6,8,10}.
 

  The set of primes between 2 and 10 is of size 4:{2,3,5,7}.
 

  Remember:
 

  Each member of set A belongs to A or is in the set A.
 

  A set can not have repeating member:{1,3,1,2}is not a set.
 

  Rearranging the order of the members does not change the set:{1,2,3}is same as{3,2,1}.
 

  上述就是Set有关的新GRE数学考点内容介绍,希望可以供大家参考,预祝大家取得理想的GRE考试成绩。
 

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