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新GRE数学题型例题讲解

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 新GRE数学题型例题讲解。新版gre数学考试难度系数增大,但是新版gre数学最大也跑不出高三知识范围,所以gre数学考试难度对我们不构成威胁,作为考生要把的强项发挥到极致。下面,天道小编为同学们带来了新GRE数学题型例题讲解,一起来看看吧:
  数学部分依旧关注代数、几何、统计概率等数学概念,同时引入了更多的生活场景并且更加突出对考生解读数字能力的考察。
  具体题型主要有多选1;多选多;填答案;比大小。
  Sample questions:
  多选1
  1. The figure above shows a circle with center C and radius 6. What is the sum of the areas of the two shaded regions?
  7.5π
  6π
  4.5π
  4π
  3π
  Answer: D
  2. The figure above shows the graph of a function f, defined by f(x)=|2x|+4 for all numbers x. For which of the following functions g defined for all numbers x does the graph of g intersect the graph of f ?
  g(x)=x-2
  g(x)=x+3
  g(x)=2x-2
  g(x)=2x+3
  g(x)=3x-2
  Answer: E
多选多:
  1. Each employee of a certain company is in either Department X or Department Y, and there are more than twice as many employees in Department X as in Department Y. The average (arithmetic mean) salary is $25,000 for the employees in Department X and is $35,000 for the employees in Department Y. Which of the following amounts could be the average salary for all of the employees in the company?
  Indicate all such amounts。
  $26,000
  $28,000
  $29,000
  $30,000
  $31,000
  $32,000
  $34,000
  Answer: A and B
  2. If f, g, and h are positive integers, f is a factor of g, and g is a factor of h, which of the following statements must be true?
  Indicate all such statements。
  f is a factor of g2
  f is a factor of gh。
  f is a factor of h-g
  Answer: A, B, and C
  填答案
  1.Answer: 101
  2. A university admitted 100 students who transferred from other institutions. Of these students, 34 transferred from two-year community colleges, 25 transferred from private four-year institutions, and the rest transferred from public four-year institutions. If two different students are to be selected at random from the 100 students, what is the probability that both students selected will be students who transferred from two-year community colleges?
  Give your answer as a fraction。
  比大小:
  A. Quantity A is greater。
  B. Quantity B is greater。
  C. The two quantities are equal。
  D. The relationship cannot be determined from the information given。
  A symbol that appears more than once in a question has the same meaning throughout the question。
  1.
  比大小图
  Answer: A
  对策:
  扎实数学知识,计算时候不要出错。

重点单词   查看全部解释    
defined [di'faind]

想一想再看

adj. 有定义的,确定的;清晰的,轮廓分明的 v. 使

 
indicate ['indikeit]

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v. 显示,象征,指示
v. 指明,表明

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fraction ['frækʃən]

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n. 分数,小部分,破片

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circle ['sə:kl]

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n. 圈子,圆周,循环
v. 环绕,盘旋,包围

 
symbol ['simbəl]

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n. 符号,标志,象征

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probability [.prɔbə'biliti]

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n. 可能性,或然率,机率

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employee [.emplɔi'i:]

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n. 雇员

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function ['fʌŋkʃən]

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n. 功能,函数,职务,重大聚会
vi. 运行

 
determined [di'tə:mind]

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adj. 坚毅的,下定决心的

 
radius ['reidiəs]

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n. 半径,桡骨,半径范围,辐射区

联想记忆

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