名校
1 . “
”是“
”的______ 条件.(用“充分不必要”、“必要不充分”或“充要条件”填空)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34715101c66fa12ce6baf0a9c53f1672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c988d709ba8cd8aed6cb83d76c0ba89c.png)
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2020-11-06更新
|
267次组卷
|
2卷引用:天津市宝坻区大钟庄高级中学2020-2021学年高一上学期10月月考数学试题
2 . 不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c65b59919a6616e8b3d2350f07eb9c2.png)
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3 . 下列各种对象的全体,可以构成集合的是______ (用题号填空).①某班比较聪明的学生;②高一数学课本中的难题;③心地善良的人;④身高超过1.70米的某中学高一(1)班学生.
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解题方法
4 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e77f61d53aad90c4fd566f966199709d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4905b92dcea2ed70cfbfb969da17cfc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
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解题方法
5 . 已知正数
,
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa97c7111ef8ef45a08196156d8eb90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
A.有最大值![]() | B.有最小值![]() |
C.有最大值50 | D.有最小值50 |
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名校
6 . 如果
,那么下列不等式成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca24341509c05e672999202f2df0ebaf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-11-06更新
|
270次组卷
|
3卷引用:天津市宝坻区大钟庄高级中学2020-2021学年高一上学期10月月考数学试题
解题方法
7 . 已知
:
或
,
:
,若
是
的充分不必要条件,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eeb69dcd17cd8448b0ed90fc02a7f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86474b8b559afef08fa4ea228f84b77e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-11-06更新
|
278次组卷
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2卷引用:天津市宝坻区大钟庄高级中学2020-2021学年高一上学期10月月考数学试题
8 . 集合
,
,若
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c5ca9904e0a3dae0bd86d3403db768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fa079a4cd82fd192c89faecad139b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
9 . 已知全集
,集合
或
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8b98700fed2b642f8150a807776f8dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890d6dafa253b76e17c37f607ad29a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686c9e703f5c15422bc75fa597b87c8e.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2020-11-06更新
|
142次组卷
|
2卷引用:天津市宝坻区大钟庄高级中学2020-2021学年高一上学期10月月考数学试题
名校
解题方法
10 . 如图,四棱锥
的底面是正方形,侧棱
底面
,E是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/be9f19e4-bca6-490c-9845-c927b91b8bf6.png?resizew=181)
(1)求证:
平面
;
(2)求证:
平面
;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/be9f19e4-bca6-490c-9845-c927b91b8bf6.png?resizew=181)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6785c7c85a503531649f9c9b4cbfcf04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb178784aa857d4d4683e650273f054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34be4e71cabf458f17a6cd7f24bc70af.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509d8dd6031dc0ef92075877e53fe201.png)
您最近一年使用:0次
2020-11-03更新
|
898次组卷
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2卷引用:天津市宝坻区第四中学2020-2021学年高一下学期第三次月考数学试题