2018年GRE数学重要考点（2）

无论什么考试只有掌握了考点，才能达到事半功倍的效果，今天课窝小编就为大家分享GRE数学重要考点，希望同学们都能熟记下来，争取考试中取得高分。

Total Members

Sometimes there are members that do not belong to either set A or B.In that case the total number of members=Size A+Size B-Number of common members+Number of members not in A or B.

Example:

In an office, 35 people drink coffee, 27 drink tea, 12 drink both, and 4 drink neither. The total number of people in the office = 35+27-12+4=54.

In a class of 40 students, 20 study algebra, 15 study geometry, 8 study both.The total number of students that do not study either=40-(20+15-8)=13.

Remember:

This is a relation between five numbers, and any one can be calculated given the other four

今天小编就和大家分享以上内容，希望大家能够熟练掌握，对同学们2018年GRE考试会有所帮助的，早日实现自己的留学梦!小编会继续更新GRE考试难度，GRE培训机构以及GRE写作等相关内容。