1 . 已知
,且
是小于 10 的正偶数
.
(1)写出所有满足条件的集合
;
(2)若集合
为第 (1) 问中元素最多的集合,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446f653af671bafe76711759295bd6e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c03aa6b94126753eaf850cf5718f70a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcdc402e8f170baf0644b87108a5796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ca8bdc812627d925f00ed7c145d696.png)
(1)写出所有满足条件的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d15885fc8b216207aa057456f15f97.png)
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2022-11-11更新
|
213次组卷
|
2卷引用:陕西省西安市户县四中2022-2023学年高一上学期期中数学试题
名校
解题方法
2 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554d648b90ca48861de4316d9b87a3a6.png)
(1)写出集合A的所有真子集;
(2)设全集
,求:
,
;
(3)若
,求集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab82e2123711fd87885e77e5e2a36dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554d648b90ca48861de4316d9b87a3a6.png)
(1)写出集合A的所有真子集;
(2)设全集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e55d31a45e395afe254ed791141888b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb466a3d654c9eec6bca51928cd32e31.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33e07e9e144c9ca2e2e90eab6d467f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
3 . 设A是实数集的非空子集,称集合
为集合A的生成集.
(1)当
时,写出集合A的生成集B;
(2)若A是由5个正实数构成的集合,求其生成集B中元素个数的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e55a0e3c127b4451b41d37c3e6a2e8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8656d50412c0630b776d57a33ef67546.png)
(2)若A是由5个正实数构成的集合,求其生成集B中元素个数的最小值.
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名校
4 . 对正整数
,记
,
.
(1)用列举法表示集合
;
(2)求集合
中元素的个数;
(3)若集合A中任意两个元素之和都不是整数的平方,则称A为“稀疏集”.已知集合
能分成两个不相交的稀疏集的并集,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a1b26aa2a8eae39c45ab0b5e4b0888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d7155d7bd00e29d2e9324a8845735b.png)
(1)用列举法表示集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
(2)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb82d62ae6889a177c70d3adf8a91056.png)
(3)若集合A中任意两个元素之和都不是整数的平方,则称A为“稀疏集”.已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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名校
解题方法
5 . (1)已知
,比较并证明
与
的大小.
(2)求方程
的解集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3395a33ac00b409696a33a8a62f76c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ebc856291255f2d4a6c20b982a2442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00c3cdabd2cc1450d8a6aa5bf4481f53.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a39b01784d7fc768ed683aebd9e46c.png)
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解题方法
6 . (1)集合
,且
,用列举法表示
;
(2)用描述法表示图中的阴影部分(包括边界);
(3)集合M中的元素为自然数,且满足
,则满足题设条件的集合M共有多少个?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b008aa1a6f611f89e112469318e9add1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6815f44cb712b6e79b441e01f104685f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)用描述法表示图中的阴影部分(包括边界);
(3)集合M中的元素为自然数,且满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f90c30bc4cebd3edcc5da95a75ab364.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/2cfaa1e2-f5cb-499e-b315-0216a2715d3a.png?resizew=166)
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7 . 已知全集
,
,
,
.(以下请用列举法表示)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8c94316312f093ebfc80b872a83c25.png)
(1)求
集合与
集合;
(2)求
;
(3)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3344b4b2541031b88aa04025bbcd82c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489aa8426bf919c1db2e6869e35a6116.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f358a39457a2242e847032c163f7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/592d6402275c0c8cd4a99710657c8f40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8c94316312f093ebfc80b872a83c25.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d83aa7f9cf13c343adb2eef20c4acc.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace25d2f45ff1dcd998066a1f7204711.png)
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8 . 已知
且
,求关于
,
的方程组
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a342e44715fc314362c4b57bac0a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b4632f1d7b6553f09f2826ea3751501.png)
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9 . 解下列方程组或不等式(结果用集合或区间形式表达)
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfdc3d686b27e0c1eca97818a7f66a9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056faef67eed42b6afc148ea84b40eb9.png)
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10 . (1)用列举法表示下列集合:
①
;②
;③平方等于25的实数.
(2)用描述法表示下列集合:
①被5除余3的正整数集合;②
;③2的平方根.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55ecb03b0b619cb873da3aa1f5973a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69527323e3b6e894c18e4767c3fc45e3.png)
(2)用描述法表示下列集合:
①被5除余3的正整数集合;②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181f56cae07739f6716516ead842b862.png)
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