虽然gre数学部分,数学相对简单,但是考生即便对数学解题都有思路,但能够一次作对,还是比较艰难。有时候主要栽在看不懂题上。接下来就一起来看看今天内容:猴哥gre数学难题112解析
猴哥gre数学难题112解析
这道题来自GRE猴哥数学难题112
17. The “combined age” of a group of people is the sum of the ages of all the people in the group. Which of the following groups had the greatest combined age in 1986?
A. 20-year-old males B. 20-year-old females
C. 60- year-old males D. 60-year-old females
E. 80-year-old females
答案是D
翻译:问1986年哪个年龄段所有人的年龄总和最大?A20岁男 B20岁女 C60男 D60女 E80女下面那个图男左 女右横坐标人口百分比,纵坐标年龄灰线区1980,黑实线1986
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