gre数学考试在新gre考试当中增加了一些难度,但是gre考生也不要太紧张,只要把一些gre数学基本概念掌握好,解题时就一定能轻松应对。
数学各个数位的表达
个位:units,ones
个位以上的其他整数数位:基数词+S
例如:十位 tens
小数位:序数词+S
例如:十分位 tenths
例题:A worker numbered the pages of a book, with 1 on the first page. In numbering the page, he printed a total of 63 digits.
A. the number of pages in the book
B. 37
小数decimals
repeating decimals 循环小数
terminating decimals 有限小数
round to the nearest
四舍五入
分数 fractions
fractions=numerator/denominator
The least common denominator 最小公分母
集合 set
例题.If 75 percent of a class are members of club A, 55 percent are members of club B, and 20 percent are not members of either club A or B, what percent are members of both A and B?
A.10%
B.20%
C.30%
D.50%
E.60%
数列sequence/progression
等差数列:arithmetic sequence
等比数列:geometric sequence
等差数列前N项求和:
x项数/2
有穷数列:finite sequence
无穷数列:infinite sequence
平时,gre考生一定要注意gre数学基本概念的加强理解,因为无论gre数学考试怎样的题目都是从最基本的概念中演变而来的。
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