解题方法
1 . 函数
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25888c9c84b3d4bd82985cecc600fba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf7bf3192755667df35fcbdf5324286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
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2020-02-11更新
|
957次组卷
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4卷引用:上海市嘉定区第一中学、金山中学2021-2022学年高二上学期9月月考数学试题
2 . 命题“
,
”的否定是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ecc78fdbc9d18a71fa0f5b99b190ee1.png)
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3 . 求值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ecb8478a4c3849a72dc7f10d457cfd.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ecb8478a4c3849a72dc7f10d457cfd.png)
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4 . 若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630edd281b41bf189e93a017667da74c.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d983933efd52b9202a65658e858954.png)
________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/630edd281b41bf189e93a017667da74c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391bd47f0e344b04b4e68dd49820ad00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d983933efd52b9202a65658e858954.png)
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5 . 设
,
是实数集
的两个子集,对于
,定义:
若对任意
,
,则
,
,
满足的关系式为______ .
![](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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f17f00e5dcd4a1967509b521196c403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45f717ed067d19c8dcf66a7fde4d15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f371d431b6c91972b742c426c8a81ef.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
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6 . 已知两条直线
“
”是“直线
与直线
的夹角为
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbeea68e7e11dfe212f8f50641a8b1ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a71a658362bd9faa329c3d9f6e6d2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
A.必要不充分条件 | B.充分不必要条件 |
C.充要条件 | D.既不充分也不必要条件 |
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2019-12-03更新
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790次组卷
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8卷引用:上海市五校2022-2023学年高二下学期3月联考数学试题
2013·福建·一模
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7 . 设命题甲“
”,命题乙“
”,那么甲是乙的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bad6987e8abfbf07d6a2650483d2a55.png)
A.充分非必要条件 | B.必要非充分条件 |
C.充要条件 | D.既非充分又非必要条件 |
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2019-11-15更新
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418次组卷
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3卷引用:上海市南模中学2019-2020学年高二上学期(9月)初态考数学试题
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8 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1fabb2286b25f0e78eb9d4dc803e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2019-11-07更新
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690次组卷
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3卷引用:2016年上海市普通高中学业水平考试数学试题
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9 . 集合
,集合
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f870d584d7962f7f62853e8f2b667176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a113af1769652acc165ae7723e1550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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2019-11-05更新
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559次组卷
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6卷引用:上海市虹口区北虹高级中学2018-2019学年高二下学期期末数学试题
上海市虹口区北虹高级中学2018-2019学年高二下学期期末数学试题山东省济南市历城第二中学2019-2020学年高一上学期10月月考数学试题新疆实验中学2019-2020学年高一上学期期中数学试题辽宁省大连二十四中2019-2020学年高一10月月考数学试题江苏省苏州市田家炳高级中学2020-2021学年高一上学期10月月考数学试题(已下线)第1章《集合》 培优测试卷(二)-2021-2022学年高一数学上册同步培优训练系列(苏教版2019)
真题
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10 . 已知
均为锐角,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32883521354a7e0879027c6da5b6e40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
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2019-10-09更新
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1057次组卷
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8卷引用:上海市金山中学2023-2024学年高二下学期5月月考数学试卷