还没有登录哦!

[Issue Essay]

试题详情

题目:

Analytical!

选项:

答案:

提问:

If it took Carol 1/2 hour to cycle from his house to the library yesterday, was the distance that he cycled greater then 6 miles? ( 1mile=5,280feet) (1) The average speed at which Carlos cycled from his house to the library yesterday was greater than 16 feet per second. (2) The average speed at which Carlos cycled from his house to the library yesterday was less than 18 feet per second

解答:

点赞0
阅读248516
解答: sysadmin

提问:

请may老师回答

解答:

点赞1
阅读266727
解答: 徐小梅老师

提问:

求问此题的解题思路:已知整数0到k的乘积能被735整除。 问:k的最小值是多少?

解答:

点赞1
阅读266452
解答: 徐小梅老师

提问:

请教一下may老师第26题

解答:

点赞0
阅读266909
解答: 徐小梅老师

提问:

请教一下may老师第8题

解答:

点赞0
阅读266505
解答: 徐小梅老师

提问:

请教一下may老师23题

解答:

点赞0
阅读266357
解答: 徐小梅老师

提问:

求问此题的解题方法:符合k,k+2,k+4三个数都是质数的set有多少个?(k>1) 答案有:0, 1,2,3,>3。请问May老师这种题型该怎么求解呀?谢谢!

解答:

点赞1
阅读266483
解答: 徐小梅老师

提问:

从阴影中任取一点,问y小于x的概率是多少?

解答:

点赞0
阅读267215
解答: ken@boost.org.cn老师

提问:

想问一个数学题,有一组数,问能否确定range? 1. mean is given 2. standard deviation is given

解答:

点赞0
阅读267353
解答: ken@boost.org.cn老师

提问:

7/15寂静:所有员工都大于20岁. Of the 2000 employees, is the avg age at least 35? 1. 50% 员工是大于40岁 2. 25% 员工是大于65岁 这道题网上有C和E两种争论;我所不明白的点是:条件2中的25%是否包含在条件1的里面;我觉得答案应该是C。因为:35*2000=70000岁;(1)+(2)可得41*500+66*500+21*1000=74500>70000.不知道我的思路是否正确。谢谢老师的答疑!

解答:

点赞1
阅读266885
解答: 徐小梅老师

提问:

【请May老师回答】这题鸡精提供的答案是D 可是我觉得第二个条件不能得出呢 假设n三次方是x平方 除以n平方 是可以得到x/ n 平方 但是x/n 不一定是整数呀?

解答:

点赞1
阅读270764
解答: 徐小梅老师

问个问题

点我领取
免费专项课程
在线咨询