1 . 已知集合
,
,且
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7324e3791fb37a21025c59dcf91eb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ebed5ca1c5631e3d05a8f437b34ae88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
2 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e483601f7861987c97fee57bf02eb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f30792a527729d38f385e09629d805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
解题方法
3 . 设集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e222fdde20ac1127087adcf45861938f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09a1b8ec523b8e501c6a226a1d8d38c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
您最近一年使用:0次
4 . 已知函数
,存在实数
,使得
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b09c1ed9da77a55bf1c95f2374144ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a17feb50e8b343fb854143b391774e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 有以下命题:①若
,则
;②若
,则
;③若
,则
;④若
,则
.其中真命题的个数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f7c54faca6eac8af5309942062058d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec8201ff29a2091d40eee10db6bbc1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b34c5832f3fe28f48a924854cb8814ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcc99a2de6726eb3826510ec1ec13ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
您最近一年使用:0次
6 . 集合
的真子集个数是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8a921f495a9323a49b682870864cb5.png)
您最近一年使用:0次
解题方法
7 . 已知
,
,若
,则实数a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f604f98ede7a94d6f08a954f0e38220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1487a69684829506ee0a9fb4b10e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
您最近一年使用:0次
8 . 下列各种对象的全体可以构成集合的是______ .(填写序号)
①高一(1)班优秀的学生; ②高一年级身高超过1.60m的男生;
③高一(2)班个子较高的女生; ④数学课本中的难题.
①高一(1)班优秀的学生; ②高一年级身高超过1.60m的男生;
③高一(2)班个子较高的女生; ④数学课本中的难题.
您最近一年使用:0次
2023-01-03更新
|
1759次组卷
|
3卷引用:第一章 集合与常用逻辑用语 (练基础)
解题方法
9 . 如果
,
,那么“
或
”是“
”的______ 条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2acb1c71b1e9b1ad102446f5026960db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21489c960a59d1970f1f3f095223d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
您最近一年使用:0次
解题方法
10 . 若集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d080bfb42e192cf2761cf62b2e274f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dc0b32a8aa453e84a4f1a1dab2d014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
您最近一年使用:0次