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以下是新东方白皮册里面的几道数学题,是在不知道如何解答,望高人求助!据说这些题目都是考试频率极高的题! 非常感谢!
27. 在4*9的矩形中,一共有多少个矩形?
32. A certain country had a total annual expenditure of $1.2*10^2 (*表示乘法)last year, if the population of the country was 240 million last year, what was the per capita expenditure? A. $500 B. $1,000 C. $2,000 D. $3,000 E. $5,000
35. A bar under a sequence of digits in a decimal indicates that the sequencees repeats indefinitely. What is the value of (10^4-10^2)(0.0012)? A. 0 B. 0.12 C. 1.2 E. 10 E. 12
36. A certain money market account that has a balance of $48,000 during all of last month earned $360 in interest for the month. At what simple annual interest rate did the account earn interest last month? A. 7% B. 7.5% C. 8% D. 8.5% E. 9% |
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