名校
1 . 已知
,
,
,
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5986f2991d45fbf3578f08f27d9fd7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40b707f5ee4fbb2e637c65fbc6d8ed03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a042a14e1c3c915ad11544c9e1e57da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f157205cb5cb4a538b09d989f2d9ae95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb26a220ed44c446105df7caa0f1063.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2021-01-30更新
|
242次组卷
|
8卷引用:【校级联考】浙江省重点中学2019届高三12月期末热身联考数学试题
名校
解题方法
2 . 在棱长为
的正方体
中,以
为球心的球
与线段
交于点
,设
与底面
所成角为
,且球
的表面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e0166cef87d437ba03524bbdb61288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a18798408a1b91fdb12deb79f0b562a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-01-17更新
|
96次组卷
|
3卷引用:甘肃省白银市靖远县2020-2021学年高三上学期期末模拟数学(理)试题
名校
3 . 已知
是定义在
上的奇函数,且当
时,
.
(1)求
的解析式;
(2)若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/583c9866fdf675bdb34b4ab87ddbbb4e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca2a019830a79a5c2d9263072ba6879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-01-09更新
|
292次组卷
|
3卷引用:山东省全省大联考2020-2021学年高一上学期模拟选课走班调考数学试题
名校
4 . 下列命题为真命题的是( )
A.“![]() ![]() ![]() ![]() |
B.“![]() ![]() ![]() ![]() |
C.“![]() ![]() ![]() |
D.已知直线![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
2020-12-24更新
|
309次组卷
|
2卷引用:湖北省新高考联考协作体2020-2021学年高二上学期期中联考数学试题
5 . 如图,在三棱柱
中,
底面
,D为
的中点,点P在棱
上,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/d11e39ad-4eeb-45ee-b664-f16d1bfefd63.png?resizew=139)
(1)求证:
平面
;
(2)若点B到平面
的距离为
,请确定点P的位置.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ae8a050d7159d4296c2409e5bc0bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/d11e39ad-4eeb-45ee-b664-f16d1bfefd63.png?resizew=139)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
(2)若点B到平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4c26f3f4d96117f087400a0f32ece8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e1f118774f4f4bd15ed7dd43776be4.png)
您最近一年使用:0次
2020-12-13更新
|
388次组卷
|
3卷引用:吉林省长春市第二实验中学2020-2021学年高三上学期期中考试数学(文)试题
名校
解题方法
6 . 已知集合
,
,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd2a7c6efcffd1a5c8c51cdc1f8e01d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aadc12fd302632832c04715bc26eacfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 函数
的图象恒过定点
,若点
在直线
上,其中
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce5f8bad005463567c580f16f38fe95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cb619d62d5f4f2dd2fe70628f0d50a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d812643e080d4d447fab7fe2ae2646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
您最近一年使用:0次
名校
8 . 已知集合
,其中
.
(1)当
时,求
;
(2)若
求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9a04f7c59f3ca7021d546148f517fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a3cc8c48bf54ec8252e5dce6867754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9ee4df3cd0c5982eec8be19e136130.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6d76d9d33d62819f4cb31b7d4b318b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
9 . 在
中,角
,
,
所对的边分别为
,
,
,已知
.
(1)求角
的大小.
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a4ba4e22ca877c2e66d3ceb761771a.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a72335ff513c24f55115bd073ab7c9a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c93a7bf0682398f09fa36fd212d9f2.png)
您最近一年使用:0次
2020-12-09更新
|
831次组卷
|
2卷引用:四川省雅安中学2019-2020学年高一下学期期中数学试题
名校
10 . 已知集合
,
,
.
(1)若
,求实数a取值范围;
(2)若“
”是“
”的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d28c3bda8b971119890af6cde91edbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e942f590a04618636e4978ea98b1f809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0d1c7c644d841c90d84dd75c562d9e.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
您最近一年使用:0次
2020-12-04更新
|
1020次组卷
|
14卷引用:吉林省通化市辉南县第一中学2020-2021学年高一上学期12月月考数学试题
吉林省通化市辉南县第一中学2020-2021学年高一上学期12月月考数学试题吉林省松原市宁江区吉林油田高级中学2020-2021学年高一上学期期中数学试题安徽省滁州市定远县第二中学2020-2021学年高一上学期第三次调研考试数学试题安徽省蚌埠市禹王中学2020-2021学年高一上学期第四次月考数学试题吉林省白城市通榆县2022-2023学年高一上学期期末数学试题(已下线)4.2指数函数(专题强化卷)-2021-2022学年高一数学课堂精选(人教版A版2019必修第一册)黑龙江省哈尔滨市双城区兆麟中学2022-2023学年高一上学期期中联考数学试题安徽省皖南十校2022-2023学年高一上学期期末数学试题黑龙江省绥化市绥棱县第一中学2022-2023学年高一上学期12月月考数学试题辽宁省朝阳市建平县实验中学2022-2023学年高一上学期期末数学试题广东省云浮市罗定中学城东学校2023-2024学年高一上学期12月月考数学试题河南省南阳市第一中学校2024届高三上学期12月月考数学试题辽宁省抚顺市六校协作体2023-2024学年高一上学期期末数学试题黑龙江省哈尔滨市第一中学校2023-2024学年高一上学期期末考试数学试卷