8月26日GRE最新數(shù)學預測機經(jīng)

GRE考試不知大家準備的如何，今天留學監(jiān)理網(wǎng)的老師先給大家來一份8月26日GRE最新數(shù)學機經(jīng),同學們可以參考借鑒。

如果你讀不懂題，很可能是詞匯不好，你需要：GRE數(shù)學-常用詞匯和公式

1. Two librarians, Robert and Patricia, cataloged a combined total of 180 new books, each of which was cataloged by only one of the two librarians. Although they spent the same amount of time cataloging their books, Robert spent an average of 15 minutes per book whereas Patricia spent an average of 12 minutes per book.

Quantity A：The number of books cataloged by Robert

Quantity B：60

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.

參考答案：A

假定Robert登記了x本書，Patricia登記了y本書，那么可以得到兩個等式x+y=180, 15x=12y。根據(jù)等式計算即可。

想取得好成績，一定要有官方材料：ETS出品的GRE Math Review，幫你理清數(shù)學知識點

2. One of the solutions of the equation x^2+bx+c = 0 is -3.

Quantity A： 3b

Quantity B： c+9

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.

參考答案：C

將-3代入等式得到：9-3b+c=0,故3b=c+9

3. For any x , (x+1)^3=x^3+3x^2+3x+1

Quantity A： (y-1)^3+3(y-1)^2+3(y-1)+1

Quantity B： y^3

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

參考答案：C

假設x=y-1, 那么y=x+1, 代入得出結果相同。

4. x < y < 0

Quantity A： xy

Quantity B： y-x

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

參考答案：D

5. Parallelogram ABCD has adjacent sides of lengths 10 and 16.

Quantity A： The area of region enclosed by ABCD

Quantity B： 155

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

參考答案：D

平行四邊形為長方形時A大，但為其它形狀時可能B更大，因此無法確定。

以上就是“8月26日GRE最新數(shù)學機經(jīng)”的詳細內(nèi)容，最后，預祝大家都取得滿意的成績！

• 上一篇：GRE沖刺階段--數(shù)學必備
• 下一篇：GMAT數(shù)學練習題一則

• 相關文章

  • 留學申請 要不要找留學中介
  • 出國留學費用一般要多少
  • 選擇留學中介的十大誤區(qū)
  • 如何選擇英國留學中介
  • 最新！2020中國教育部承認的英國大學名單完整版！
  • 2021年英國TOP10大學碩士留學申請條件匯總！

• 最新問答

  查看更多>>
  • 香港留學一年的費用需要多少錢
  • 應屆高三學生申請出國留學讀本科的途徑有哪些？如何選擇？
  • 今年高考的文科生，二本線，讀什么專業(yè)好？
  • 高考成績剛過一本線，高考志愿填報和出國留學如何選擇？
  • 什么是CUG完全大學指南？
  • 什么是CWUR世界大學排名？