- UID
- 199219
- 在线时间
- 小时
- 注册时间
- 2006-11-27
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
gmatprep两道数学题,请帮忙
1,if xy =1, whta is the value of 2(x+y)^2/[2(x-y)^2] A, 2 B, 4 C,8 D,16 E,32
2, A certain city with a popuation of 132000 is to be divided into 11 votiong districts, and no district is to have a population that is more than 10 percent greater than the populationo of any other distrit. What is the minimum posssible population that the least populated district could have?
A, 10700 B, 10800 C, 10900 D, 11000 E,11100 求解题思路!! |
|