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想要SAT数学轻松过关,那就要多做SAT数学真题

424人浏览 2018-12-29 分享到|

  SAT考试成绩,在申请美国大部分大学时都是必须提供的,所以现在有越来越多的人会选择考SAT考试,在SAT考试中,SAT数学难题其实并不多,参加SAT数学考试的大家还是要多多训练SAT数学试题,避免一些考试误区,接下来小编就给大家带来了SAT数学真题及解析,一起来看看吧。

  真题:

  1. Which of the following could be a value of x, in the diagram above?

  A. 10

  B. 20

  C. 40

  D. 50

  E. any of the above

  2. Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?

  A. 10

  B. 15

  C. 20

  D. 25

  E. 30

  3. Jo's collection contains US, Indian and British stamps. If the ratio of US to Indian stamps is 5 to 2 and the ratio of Indian to British stamps is 5 to 1, what is the ratio of US to British stamps?

  A. 5 : 1

  B. 10 : 5

  C. 15 : 2

  D. 20 : 2

  E. 25 : 2


想要SAT数学轻松过关,那就要多做SAT数学真题


  解析:

  1.Correct Answer: B

  Explanation:

  The marked angle, ABC must be more than 90 degrees because it is the external angle of triangle BDC, and must be equal to the sum of angles BDC (90) and DCB. Also ABC is not a straight line and must be less than 180. Therefore 90 < 5x < 180 The only value of x which satisfies this relation is 20.

  2.Correct Answer: A

  Explanation:

  20 large cakes will require the equivalent of 10 helpers working for one hour. 700 small cakes will require the equivalent of 20 helpers working for one hour. This means if only one hour were available we would need 30 helpers. But since three hours are available we can use 10 helpers.

  3.Correct Answer: E

  Explanation:

  Indian stamps are common to both ratios. Mul

  ltiply both ratios by factors such that the Indian stamps are represented by the same number. US : Indian = 5 : 2, and Indian : British = 5 : 1. Multiply the first by 5, and the second by 2.

  Now US : Indian = 25 : 10, and Indian : British = 10 : 2 Hence the two ratios can be combined and US : British = 25 : 2

  以上就是小编今天带来有关SAT数学的全部内容,希望对大家有所帮助,想了解更多关于SAT数学真题的内容,可以添加微信号kewo11。


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想要SAT数学轻松过关,那就要多做SAT数学真题

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