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[Issue Essay]

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题目:

Analytical!

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答案:

提问:

In a state of pure commercial competition, there would be a large number of producing firms, all unfettered by governmental regulations, all seeking to meet consumer needs and wants more successfully than each other. A.all seeking to meet consumer needs and wants more successfully than each other B.all seeking more successfully to meet consumer needs and wants than the others C.each seeking to meet consumer needs and wants more successfully than one another D.each seeking to meet consumer needs and wants more successfully than the others E.each seeking more successfully to meet consumer needs and wants than another

解答:

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解答: sysadmin

提问:

请may老师回答

解答:

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阅读266981
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:

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阅读266706
解答: 徐小梅老师

提问:

请教一下may老师第26题

解答:

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阅读267163
解答: 徐小梅老师

提问:

请教一下may老师第8题

解答:

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阅读266759
解答: 徐小梅老师

提问:

请教一下may老师23题

解答:

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阅读266611
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:

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阅读266737
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:

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阅读267469
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:

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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:

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阅读267139
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:

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解答: 徐小梅老师

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