2018年1月5日GRE数学机经助力170 避免粗心大意扣分看机经更保险

2018年01月01日17:39 来源：小站教育作者：小站GRE编辑: 参与（2）阅读（9269）

摘要：GRE数学难度对中国考生来说虽然不高，但实战中能够拿稳170满分的考生却寥寥无几。太多的陷阱和偶尔出现的难题让考生一不小心就出错。如何才能确保数学高分不失？大家没把握的话不妨来看看最新的2018年1月5日GRE数学机经吃颗定心丸！

2018年元旦伊始，考生们就将迎来新年第一场1月5日的GRE考试。元旦过后第一战，小编相信许多同学都是抱着考个开门红的美好愿望的，但能否如愿以偿大家还需要多加努力。考前冲刺看看机经当然也是再好不过的选择。为了帮助大家更顺利地备考1月5日的GRE考试，下面小编就为大家带来小站GRE点题专家组精心整理的最新2018年1月5日GRE机经。下面是GRE数学预测机经，一起来看！

2018年1月5日GRE机经其他题型预测：作文/长阅读/短阅读/逻辑/等价/填空 请走这里

题目

1. Each week a salesperson receives a commission that is equal to 12 percent of the first $500 of sales plus 20 percent of additional sales. If the salesperson received a commission of $380 last week, what was the total amount of the sales that the salesperson made last week?

A. $1,600

B. $1,660

C. $1,860

D. $2,000

E. $2,100

答案：E

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2. 已知x ≠ 0，

Quantity A: x^2

Quantity B: x(x+5)

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.

答案：D

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3. If x< y, which of the following must be true?

A. 2x< y

B. 2x> y

C. x2< y2

D. 2x-y< y

E. 2x-y< 2xy

答案：D

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4. The table shows the frequency distribution of the random variable X. What is the median of the distribution of the Value X?

X	Frequency
0	6
1	11
2	18
3	23
4	15

A. 1.0

B. 1.8

C. 2.0

D. 2.5

E. 3.0

答案：3

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5. According to a tax rate formula for a certain year, the amount of tax owed by an individual whose annual income was between $31,850 and $77,100 was equal to a base tax of $4,386 plus 24 percent of the annual income that exceeded $31,850.According to this formula, what was the amount of tax owed by an individual whose annual income that year was $42,000?

答案：6822

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所以我们可以得到所缴税的计算方式=4386+24%*(42000-31850)=6822.

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