名校
解题方法
1 . 在
中,内角A,B,C所对的边分别为a,b,c,已知
,若
为
的面积,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3eb8d72aa02ebcffa150d1689cbedf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1a0f8877e8eba9d3681d1a81679587.png)
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2024-04-29更新
|
452次组卷
|
3卷引用:吉林省四平市第一高级中学2023-2024学年高二上学期期初验收考试数学试题
名校
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c348ab40c5b5d0402138756bec4cc657.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0484399b5eac916554e4e15a40ba9f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c348ab40c5b5d0402138756bec4cc657.png)
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名校
3 . 在等比数列
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6142d5df26c5ae84fdeca7deca7273.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97ba22bbd30952e43b09f3d1fd07bcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c6142d5df26c5ae84fdeca7deca7273.png)
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2023-12-27更新
|
435次组卷
|
2卷引用:吉林省长春市朝阳区吉大附中实验学校2024届高三下学期开学考试数学试题
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4 .
,
两班共100人,现采取分层随机抽样的方法抽取10人的样本进行问卷调查,若样本中有4人来自
班,则
班的人数为_________ .
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2023-09-17更新
|
174次组卷
|
3卷引用:吉林省四平市第一高级中学2023-2024学年高二上学期期初验收考试数学试题
名校
解题方法
5 . 甲、乙、丙三人参加一次考试,他们合格的概率分别为
,那么三人中恰有两人合格的概率是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea92cb0db456bf7c21df60ad9922b4de.png)
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解题方法
6 . 如图,在长方体
中,
,
,
,
是
的中点,则异面直线
与
所成的角等于________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eac4972d99833acf112d298c6c508b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/29/46fd9ed8-d396-45b0-b542-722e0c6c115c.png?resizew=148)
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2023-08-29更新
|
404次组卷
|
3卷引用:吉林省长春外国语学校2022-2023学年高二上学期开学数学试题
7 . 为了落实立德树人的根本任务,践行五育并举,某校开设
三门德育校本课程,现有甲、乙、丙、丁四位同学参加校本课程的学习,每位同学仅报一门,每门至少有一位同学参加,则不同的报名方法有_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
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8 . 函数
在
内有最小值,则实数
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04601f8ea6590ec5ea4dd8d8e929e42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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9 . 已知向量
,
若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c5293dfdbd72411423003ec100c910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14dfa17632f933e0468b8a7864259517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d8d80b1f35854e0cac073fe0b66d28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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2023-08-03更新
|
260次组卷
|
2卷引用:吉林省长春博硕学校2023-2024学年高二上学期期初考试数学试题
10 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca045103ddf86bfdd968bbe94d1fb493.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa95e438bf97cc989dcb7b7bc4bc945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca045103ddf86bfdd968bbe94d1fb493.png)
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