集合描述法
来源:学生作业帮 编辑:搜搜考试网作业帮 分类:数学作业 时间:2024/07/07 09:50:28
描述法怎么写 举几个例子 越多越好
![集合描述法](/uploads/image/z/8162649-9-9.jpg?t=%E9%9B%86%E5%90%88%E6%8F%8F%E8%BF%B0%E6%B3%95)
解题思路: 抓住代表元素
解题过程:
同学你好,如对解答还有疑问,可在答案下方的【 添加讨论】中留言,我收到后会尽快给你答复。感谢你的配合! 祝你学习进步,生活愉快 已知下列集合: (1)
={n | n = 2k+1,k
N ,k
5}; (2)
={x | x = 2k, k
N, k
3}; (3)
={x | x = 4k+1,或x = 4k-1,k
k
3}; (4)
={x | x =
, k
N , | k|
2}; (5)
={(x, y) | x+y = 6 , x
}; (6)
={y | y=
-1,且x
{0,
}}; (7)
={x | x =
+
, a.b
R 且ab
0}; (8)若集合
,
.则集合
为? 用列举法表示上述各集合. ⑴
={n | n = 2k+1,k
N ,k
5}={1,3,5,7,9}; ⑵
={x | x = 2k, k
N, k
3}={1,3,5}; ⑶
={x | x = 4k
1,k
k
3}={-1,1,3,5,7,9,11,13}; ⑷
={x | x =
, k
N , | k|
2}={
}; ⑸
={(x, y) | x+y = 6 , x
}={(0, 6) ,(1, 5) ,(2, 4) ,(3, 3) ,(4, 2) ,(5, 1) ,(6, 0)}; ⑹
={y | y=
-1,且x
{0,
}}={
}; ⑺
={x | x =
+
, a.b
R 且ab
0}={
}; (8)
{2000,1997,1996}
最终答案:略
解题过程:
同学你好,如对解答还有疑问,可在答案下方的【 添加讨论】中留言,我收到后会尽快给你答复。感谢你的配合! 祝你学习进步,生活愉快 已知下列集合: (1)
![](http://img.wesiedu.com/upload/8/a8/8a800f6c25b39a3b730221622b6679a9.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/d/9d/d9d58b652ced2f5d6ba691f11aeaa72d.png)
![](http://img.wesiedu.com/upload/d/a4/da41c8e8b1d0e3fd90b18546a9d3f1d0.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/d/9d/d9d58b652ced2f5d6ba691f11aeaa72d.png)
![](http://img.wesiedu.com/upload/a/ea/aeaddf8cb65cf82a3b4ff1304a4eacb1.png)
![](http://img.wesiedu.com/upload/3/b0/3b07ea44fc9dcf4420b361ac90b37896.png)
![](http://img.wesiedu.com/upload/d/9d/d9d58b652ced2f5d6ba691f11aeaa72d.png)
![](http://img.wesiedu.com/upload/7/09/70993ae2b0aa237ce3b17a37f502beff.png)
![](http://img.wesiedu.com/upload/7/3a/73a8887306135d37dad3dc3392224285.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/d/9d/d9d58b652ced2f5d6ba691f11aeaa72d.png)
![](http://img.wesiedu.com/upload/7/1c/71cf40698ccca015a6ac4d672b519bd0.png)
![](http://img.wesiedu.com/upload/a/23/a2370a512fab7b4b1b4b642c4c40c65d.png)
![](http://img.wesiedu.com/upload/7/66/766c4998d4ef368a49b1d76866fd692b.png)
![](http://img.wesiedu.com/upload/4/61/461e5a5fdc8c72e81908f543c6337ba3.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/a/9a/a9a241e5199414cd4041389434421806.png)
![](http://img.wesiedu.com/upload/9/fe/9fe8ba3fede4056442ba26311f876925.png)
![](http://img.wesiedu.com/upload/b/32/b32ef1fb02620220479e11c31b02041d.png)
![](http://img.wesiedu.com/upload/0/10/010900f8e3c0a27da00c404e5b357571.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/f/86/f867cbecfdbeef349a2ad9ed8e59f2cc.png)
![](http://img.wesiedu.com/upload/6/83/683ceb1943647d7b06856b6aa4599b9d.png)
![](http://img.wesiedu.com/upload/7/c7/7c71dd57cc9416ec5aed8fcc44eaea89.png)
![](http://img.wesiedu.com/upload/4/4d/44d7a8f1f6627bc32271a158b61325d2.png)
![](http://img.wesiedu.com/upload/8/a8/8a800f6c25b39a3b730221622b6679a9.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/d/9d/d9d58b652ced2f5d6ba691f11aeaa72d.png)
![](http://img.wesiedu.com/upload/d/a4/da41c8e8b1d0e3fd90b18546a9d3f1d0.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/d/9d/d9d58b652ced2f5d6ba691f11aeaa72d.png)
![](http://img.wesiedu.com/upload/a/ea/aeaddf8cb65cf82a3b4ff1304a4eacb1.png)
![](http://img.wesiedu.com/upload/0/5a/05a005370c017c72cd9bc02f4dd7d010.png)
![](http://img.wesiedu.com/upload/3/b0/3b07ea44fc9dcf4420b361ac90b37896.png)
![](http://img.wesiedu.com/upload/d/9d/d9d58b652ced2f5d6ba691f11aeaa72d.png)
![](http://img.wesiedu.com/upload/7/09/70993ae2b0aa237ce3b17a37f502beff.png)
![](http://img.wesiedu.com/upload/7/3a/73a8887306135d37dad3dc3392224285.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/d/9d/d9d58b652ced2f5d6ba691f11aeaa72d.png)
![](http://img.wesiedu.com/upload/1/e7/1e7e1173587ebc712300065d01facc67.png)
![](http://img.wesiedu.com/upload/7/1c/71cf40698ccca015a6ac4d672b519bd0.png)
![](http://img.wesiedu.com/upload/a/23/a2370a512fab7b4b1b4b642c4c40c65d.png)
![](http://img.wesiedu.com/upload/7/66/766c4998d4ef368a49b1d76866fd692b.png)
![](http://img.wesiedu.com/upload/4/61/461e5a5fdc8c72e81908f543c6337ba3.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/a/9a/a9a241e5199414cd4041389434421806.png)
![](http://img.wesiedu.com/upload/f/11/f11f3201d53748d1dc5dfc204df39c2d.png)
![](http://img.wesiedu.com/upload/9/fe/9fe8ba3fede4056442ba26311f876925.png)
![](http://img.wesiedu.com/upload/b/32/b32ef1fb02620220479e11c31b02041d.png)
![](http://img.wesiedu.com/upload/9/d4/9d4fcf921f1d7328eee872ffa7158d92.png)
![](http://img.wesiedu.com/upload/a/29/a296ac7f6d5f02ccba5eb190018796f7.png)
![](http://img.wesiedu.com/upload/f/86/f867cbecfdbeef349a2ad9ed8e59f2cc.png)
![](http://img.wesiedu.com/upload/c/68/c68aacf3566007cc8998564eb93beb7d.png)
![](http://img.wesiedu.com/upload/0/0d/00df4badf32562ceffe02eeacfaa710c.png)
最终答案:略