设
为质数,
为正整数,且
,其中,
,
.令
表示满足下列条件的有序三元数组(
)的集合:
(1)
;
(2)
;
(3)
.
问:集合
中共有多少个有序三元数组(
)?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b630099831e110d6baf55d8bb1fcf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5562ac2e8ba16ca7c6a4d191d16953f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d9eb65eb9710db61f5b4a8e6807581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc78f109cf6541124d809878453c628.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad07f4f2b46c3e823657a27a155edc1e.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6a12e1a696814a3b4f8952b98a50e8.png)
问:集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
2012高三·江苏·竞赛 查看更多[1]
(已下线)2012年全国高中数学联赛江苏赛区复赛试题
更新时间:2018-12-14 09:55:44
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【推荐1】高一数学竞赛共设有35个考场,甲、乙、丙三所学校的领队各自将本校学生人数相同的考场归为一组.经统计,甲校共有i组,各组的考场数分别为
;乙校共有j组,各组的考场数分别为
;丙校共有k组,各组的考场数分别为
.已知
包含了1 ~ 14的所有整数.证明:能找到三个考场,至少有两所学校在这三个考场中的选手人数各自是相同的.
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【推荐2】由n个
和n个
组成的所有序列
中,求满足条件
的序列数目.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497f79b82f7428fd4ad48fb472b2ef13.png)
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【推荐1】用
表示不超过实数
的最大整数.已知
为互素的正整数.证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】记
表示不超过实数
的最大整数,
.设互不相同的
个奇素数
满足
是模
的非二次剩余,且
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.
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【推荐1】数列1,1,3,3,
,
,…,
,
是由两个1,两个3,两个
,…,两个
按从小到大顺序排列,数列各项的和记为
,对于给定的自然数
,若能从数列中选取一些不同位置的项,使得这些项之和恰等于
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的值.
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