题库搜索>问题求解PS-16762
建议使用官方纸质指南，查看对照完整题目
【OG20-P150-27题】
Set X consists of eight consecutive integers. Set Y consists of all the integers that result from adding 4 to each of the integers in set X and all the integers that result from subtracting 4 from each of the integers in set X. How many more integers are there in set Y than in set X ?
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
我有更好的解析 
暂无雷哥网文字解析
小的4个数分别加4就可以得到大的4个数
大的4个数分别减4就可以得到小的4个数
所以X所含的8个数Y都有，另外还会有8个数
例如：X={n,n+1,n+2,n+3,n+4,n+5,n+6,n+7}，共8个数
Y={n-4,n-3,n-2,n-1,n,n+1,n+2,n+3,n+4,n+5,n+6,n+7,n+8,n+9, n+10,
n+11}，共16个数
九粥
脑瓜疼 为啥审题这么粗心
0
0
回复
2023-06-01 17:15:48
Lori88
原来是多几个，一不留神看成Y有几个了
4
0
回复
2021-06-14 15:33:27
1056929catn
我看成了y有几个数...哎 原来是多几个。 审题要细心
1
0
回复
2020-12-24 07:19:46
emily666
看成了how much more... 无语
1
0
回复
2020-04-02 11:43:08
关关
集合中的数字可重复吗？
1
0
回复
2019-10-27 12:05:09
赤木青帝回复关关
亲测，不会重复
0
0
回复
2019-12-08 21:14:55
Stella05回复关关
会重复啊，怎么不重复？
1
0
回复
2020-03-09 21:22:00
中国人都是好样的回复关关
没有重复啊，有重复就不会是8了
0
0
回复
2022-10-05 14:08:24
164001cwdmh
这题问的好像是，Y集合比X集合多几个整数 ，就是个加减题啊，果然是想复杂了吗。。。。
0
0
回复
2019-10-22 13:51:08
emily666回复164001cwdmh
还以为多几个数字。。唉
0
0
回复
2020-04-22 15:29:28
Stella z
这题有重复的部分吧
0
0
回复
2019-08-16 20:04:45
不灭的凤凰
问题问的是多了几个。。。。。。。。。。。。。。
0
0
回复
2018-08-28 11:17:57
Ellerybaby
8个连续整数，加四前四位变成后四位，减四后四位变成前四位。所以一共多了4+4，8个不同的元素
2
0
回复
2018-07-16 13:41:03
YangZ回复Ellerybaby
thx
0
0
回复
2019-01-05 11:08:18
科目：
问题求解PS
来源：
OG19新题
题目信息1m56s
平均耗时
74.8%
平均正确率
该题由网友h5NaGU5提供
点击上传问题求解PS -17755
Each of the integers from 0 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into a hat. If the slips are then drawn one at a time without replacement, how many must be drawn to ensure that the numbers on two of the slips drawn will have a sum of 10?
问题求解PS -17752
Which of the following describes the set of all possible values of the positive integer k such that, for each positve odd integer n, the value of nk is midway between consecutive integers？
问题求解PS -17741
The sum of the first 100 positive integers is 5,050. What is the sum of the first 200 positive integers?
问题求解PS -16762
【OG20-P150-27题】Set X consists of eight consecutive integers. Set Y consists of all the integers that result from adding 4 to each of the integers in set X and all the integers that result from subtracting 4 from each of the integers in set X. How many more integers are there in set Y tha...
问题求解PS -15114
The sum of the first n positive perfect squares, where n is a positive integer, is given by the formula n33 +cn2 +n6 , where c is a constant. What is the sum of the first 15 positive perfect squares?
问题求解PS -17755
Each of the integers from 0 to 9, inclusive, is written on a separate slip of blank paper and the ten slips are dropped into a hat. If the slips are then drawn one at a time without replacement, how many must be drawn to ensure that the numbers on two of the slips drawn will have a sum of 10?
问题求解PS -17752
Which of the following describes the set of all possible values of the positive integer k such that, for each positve odd integer n, the value of nk is midway between consecutive integers？
问题求解PS -17741
The sum of the first 100 positive integers is 5,050. What is the sum of the first 200 positive integers?
问题求解PS -16762
【OG20-P150-27题】Set X consists of eight consecutive integers. Set Y consists of all the integers that result from adding 4 to each of the integers in set X and all the integers that result from subtracting 4 from each of the integers in set X. How many more integers are there in set Y tha...
问题求解PS -15114
The sum of the first n positive perfect squares, where n is a positive integer, is given by the formula n33 +cn2 +n6 , where c is a constant. What is the sum of the first 15 positive perfect squares?
分享
周末、晚班滚动开班 
24+35+35+6课时 
