1 . 设全集
,
,
,用列举法表示![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddeb3bbfb8cb88c0b1965b7ceceb3a29.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84edcc374f7c9528292a66a1b35641ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb1aca774c04bd0599d77a1c0c9b43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddeb3bbfb8cb88c0b1965b7ceceb3a29.png)
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解题方法
2 . 已知全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c14b2d2ca4108e0957488e933bd4ad.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b452f3b6082c4f6f70370eaa3ebc555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba6d2bcb572bb99ea1a8d1edd68c3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c14b2d2ca4108e0957488e933bd4ad.png)
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3 . 已知集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e7f5dce5bee70f7ba6bdebc10a841d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddb65cbadbb74e02593bcb3d5dd860d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
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4 . 对于三个集合
、
、
,命题“若
,
,则
”是______ 命题.(填“真”或“假”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c819bc47ea7766610b36cf63ed896ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521c8f3f084af427ec1c464f8b6bed86.png)
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5 . 写出“
”的一个充分非必要条件:____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f799d1e841afd1371b309fbc5c1c0e.png)
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6 . 在
中,“
”是“
”的______ 条件.(填“充分非必要”、“必要非充分”、“充要”或“既非充分又非必要”)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b4908b37cf23de34d38ae7a0bff278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19acddff4cb3831a8e8974e532c05242.png)
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7 . 写出“两个实数都不是无理数”的否定形式:____________ .
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8 . 对于实数
、
,命题“若
,则
或
”是______ 命题.(填“真”或“假”)
![](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/ca42301f789282952f4f8f2433c17076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d09b9fc9719ff6faf32254b9d48713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed6f12ee54d72aebccd5a0444fdec8d.png)
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9 . 已知
为全集,
、
均为
的非空子集,有下列四个命题:
①
;②
;③
;④
.
其中,与命题
等价的命题有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e146e222505f9166f30b595150e27c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c408d812ff6ed28bb6217b8b37c947a9.png)
其中,与命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
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10 . 写出“
是无理数”的否定形式:____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4096ebda06e298e48c475986932e4829.png)
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