- UID
- 504014
- 在线时间
- 小时
- 注册时间
- 2010-1-19
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
OG.10th edition DS46. What is the tenths digit in the decimal representation of a certain number? 1. the number is less than 1/3 2. the number is greater than 1/4 let's suppose the number is a, if both 1&2 are considered, then 0.25<a<0.3333333. it seems that we could conclude that the tenths digit is 3 from the above analysis. OG said the answer is E and I don't see that why it's not C
S.O.S and THX |
|