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[Issue Essay]

试题详情

题目:

Analytical!

选项:

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 C和D到底怎么判断啊?

解答:

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阅读304940
解答: sysadmin

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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阅读270727
解答: 徐小梅老师

提问:

7.15/寂静:STUVW, 5个人, V和W中间必须隔一个人,求问共有几种组合? 我的想法是这样的A(3,3)*A(2,2)*C(3,1)=36种;思路如下:先把V+C(3,1)+W看成一个整体;可得:A(2,2)*C(3,1)种排法;然后5个人可分成三类,于是A(3,3)。不知道我的想法对不对,请老师解答。感激不尽!

解答:

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阅读271814
解答: 徐小梅老师

提问:

急求此题!谢谢老师!题目来7/6自寂静。x∈{1, 2, 3},y∈{4,5,6},z∈{7,8,9},求yxx与z的乘积为偶数的概率?我根据求反可得:2/3x1/3x2/3=4/27 1-4/27=23/27 不等于5/9呀?我就是卡在这里了求教。谢谢!

解答:

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阅读272876
解答: 徐小梅老师

提问:


解答:

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阅读273705
解答: ken@boost.org.cn老师

提问:

请郭老师看一下这几题 谢谢老师

解答:

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阅读273467
解答: 郭培月老师

提问:

麻烦郭老师看一下这几题,谢谢老师

解答:

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阅读273406
解答: 郭培月老师

提问:

麻烦郭老师看一下这几题,谢谢

解答:

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阅读272981
解答: 郭培月老师

提问:

请郭老师帮我看一下这几道题,好几个都完全不会…

解答:

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阅读272786
解答: 郭培月老师

提问:

请郭老师帮我看一下这几道题,好几个都完全不会…

解答:

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阅读273460
解答: 郭培月老师

提问:

不是很明白为什么A选项不对 我觉得outnumber了给其他人写信的数量可以作为这个period Emily写信的结果出现 为什么不能用现在分词呢?

解答:

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阅读270009
解答: 金栩竹老师

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