1 .
是空集.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f5e5688b5c7e514ee72597690a7676.png)
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2 . 判断下列表达式是否正确:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76cd859785bd919b149a30697082313.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1891dfee3cad5c5d741f03b808c4fbc.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd78e3cc6209e3fb5e26e2872cb5095d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76cd859785bd919b149a30697082313.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65273313b58cf0ab320acff4a67df9b0.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49e480ba047b62424e140c2b26814d4.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76cd859785bd919b149a30697082313.png)
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3 . 判断正误(正确的写正确,错误的写错误)
(1)任何集合至少有两个子集.( )
(2)
.( )
(3)若
,且
,则
.( )
(4)集合
的子集是
,
,
.( )
(1)任何集合至少有两个子集.
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91b4a4530b820b6728f37e497847faf.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb584b83ae783a0ec8a9b4628b7fca3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(4)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69dcd9264c20f3413a875633884622db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f5e5688b5c7e514ee72597690a7676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6170ed4a10e57487d525e71610dff82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69dcd9264c20f3413a875633884622db.png)
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4 . 判断正误
(1)
.( )
(2)
.( )
(3)
.( )
(4)
.( )
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9661334cb52a1e0903e58a7b23845882.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae90ddc5731f936d8d858a81148f5d61.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51fb61b83e83af1725b9491232aa5112.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4495f860db082c5f4bd305facd8fb4ce.png)
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5 . 判断正误
(1)在一个集合中可以找到两个相同的元素.( )
(2)好听的歌能组成一个集合.( )
(3)方程
所有解组成的集合有3个元素.( )
(4)分别由元素0,1,2和2,0,1组成的两个集合是相等的.( )
(1)在一个集合中可以找到两个相同的元素.
(2)好听的歌能组成一个集合.
(3)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7d223f3d89622f0932f366e10ef49b.png)
(4)分别由元素0,1,2和2,0,1组成的两个集合是相等的.
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6 . 判断正误(正确的打正确,错误的打错误)
(1)“
”“
”的意义是一样的( )
(2)集合{0}是空集.( )
(3)空集是任何集合的真子集.( )
(4)若
,集合
是集合
的子集,则必定有
.( )
(1)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02d44492b51b0e08208fdc0d1707025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b980d8446f130dfc405c196109e73ea4.png)
(2)集合{0}是空集.
(3)空集是任何集合的真子集.
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc020b0997a2f37b214718112b79d8e.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/af958d6c104355d6daf0d205204ec760.png)
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7 . 集合
和
表示同一个集合. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fdc27cb2a8deea1c563a2fe4249100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06099c9355415ee4e03376590958682b.png)
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8 . 若集合
,则
. ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6356c687fbc4bd0e2341135cd4a11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cac52573934f9b3a1bfe28bf68cf97e0.png)
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9 . 空集是任何集合的子集( )
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名校
10 . 集合
的子集共有8个 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b41e2f3ea8bfcf2c04bf8708500e02.png)
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