1 .
为虚数单位,则 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066497170b8cdd348f71c0001caa8a52.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066497170b8cdd348f71c0001caa8a52.png)
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2023-11-23更新
|
485次组卷
|
3卷引用:安徽省合肥市长丰北城衡安学校2024届高三上学期期中数学试题
解题方法
2 . 已知
为
的边
上的高,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecb06f52989cc487df7d528232dd8889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c41e45f40a580f7d3d3e29200a3564f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f453597cf7ed205d851de1fb4a454dc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
解题方法
3 . 若
,
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c8cca632ee3473b040bdb228bd513a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cea6c2b5061b84a8ebed139eba9e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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4 . 已知
的内角
,
,
所对的边分别为
,
,
,若
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb11572b14feea37c05d9101e76d207b.png)
______ .
![](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/74f021f2a46ca812abf36ef32cb1bed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1622cd7f9b50868fdabf0b1cd0a8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb11572b14feea37c05d9101e76d207b.png)
您最近一年使用:0次
2023-11-21更新
|
383次组卷
|
4卷引用:安徽省卓越县中联盟2023-2024学年高三上学期期中考试数学试题
名校
5 . 已知函数
,若存在
,使得
,则实数
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8489e067b348b6a8dcf87eb61a64e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee21db6628e4db3f5831370549fa96b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36825543013336c9df727bc51ff62c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-11-21更新
|
345次组卷
|
3卷引用:安徽省卓越县中联盟2023-2024学年高三上学期期中考试数学试题
名校
6 . 已知等腰直角三角形
的斜边
,且
的内切圆圆心为
,则其半径![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
__________ ;若点
在以
为圆心,1为半径的圆上,则
与
的面积之比的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c23c6d4addc98406ff681dc2fb4a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2cc5f8cec8c498aa12c99c04e1c97d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9524e3810e06dc781285f1289e75d653.png)
您最近一年使用:0次
名校
7 . 已知
,
,则
在
方向上投影向量的坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a08ed47d6563ffa369eec7374cccffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4220ff8683e3a4ebe6872ed95be53788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
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名校
8 . 已知函数
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbec24f4674d02d00e39e5cfcd64ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0023a5c4d144362fbde2bc5a448a2f2e.png)
您最近一年使用:0次
名校
9 . 已知函数
,
,若函数
有6个零点,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d90587a89e94d9d5190c51afc4e02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141d74b0f2a5404abe59766a20fe7e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfc6f997f5465c88d68dde7fd874fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-13更新
|
855次组卷
|
4卷引用:安徽省合肥市六校联盟2023-2024学年高三上学期期中联考数学试题
安徽省合肥市六校联盟2023-2024学年高三上学期期中联考数学试题(已下线)模块五 全真模拟篇 能力1 期末终极研习室(2023-2024学年第一学期)高三江西省信丰中学2023-2024学年高一上学期第四次月考数学试卷上海市建平中学2023-2024学年高一上学期期末数学试卷
名校
10 . 计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef9717ae21841821e61d3b012fc0808.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef9717ae21841821e61d3b012fc0808.png)
您最近一年使用:0次