1 . 集合A={x|x2﹣3x+2<0},B={x|x≤0},则( )
A.A⊆B | B.B⊆A | C.A∩B=∅ | D.A∪B=R |
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解题方法
2 . 集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444dfcc11d7c79710d768d82ed4d991b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a598b5b3255e37754a7801dbfca1b485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72ef9665654c618812d35f99535549d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-03更新
|
821次组卷
|
3卷引用:2015届辽宁省朝阳市三校协作体高三下学期第一次模拟考试理科数学试卷
3 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a20d369257c7e3efe87283da74e620c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e91bc2a578364e7c9980f54c142e770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 若集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ece76311ae66818f02d4e1a84af6e82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c2df248b2612d7f24786aff4adff92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2012·全国·一模
5 . 已知关于x的实系数方程
的一根在
内,另一根在
内,则点
所在区域的面积为 __________
![](https://img.xkw.com/dksih/QBM/2012/8/15/1570971076452352/1570971081793536/STEM/47857da0056e430bb74ef2cb44c9b987.png?resizew=108)
![](https://img.xkw.com/dksih/QBM/2012/8/15/1570971076452352/1570971081793536/STEM/7fe6e39f6f264fe99fa14edd19658f09.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2012/8/15/1570971076452352/1570971081793536/STEM/b07731e896b2442ca5738805d177e64e.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2012/8/15/1570971076452352/1570971081793536/STEM/ba3b5604c3c8448b933a08871fc3b680.png?resizew=37)
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6 . 已知集合
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c031b48f5f2412eaf2b0f17518726869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e40ad19277e0e1371f9af83f27bc39.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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