- UID
- 677722
- 在线时间
- 小时
- 注册时间
- 2011-10-1
- 最后登录
- 1970-1-1
- 主题
- 帖子
- 性别
- 保密
|
1,For every positive even integer n,the function h(n) is defined to be the product of all the even integers from 2 to n,inclusive.If p is the smallest prime factor of h(100)+1,the P is: 1>2~10 2>10~20 3>20~30 4>30~40 5>greater than 40------The answer is 5>,求解释
2. Did it take Pei more than 2 hours walk a distance of 10 miles along a certain trail(1mile =1.6kilometers )
1) Pei walked this distance at an average rate less than 6.4 kilometers per hour 2) On average, it take Pei more than 9 minutes a kilometer to walk this distance. 正确答案是D,但是我选得是A
3. M=根号4 +开三次根号4+开四次根号4, 求M? a. less than 3 b. =3 c. 3<M<4 d.=4 e. >4 答案是e,求解释
|
|