名校
1 . 在
中,
,
,M为
边上的中点,且
的长度为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b3a08865b7605f248db6669776c62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
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2023-09-26更新
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298次组卷
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2卷引用:河北省秦皇岛新世纪高级中学2023-2024学年高二上学期开学考试数学试题
2023高三·全国·专题练习
名校
2 . 若复数z满足
,则
的最小值为_____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ccb1fca9190ad4880e033314e4845d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22e0475d82269c5d1b70dc8b87291d0.png)
您最近一年使用:0次
3 . 在
的展开式中含
项的系数是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81279a9447ea3f14a9217c6a54a360f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-09-10更新
|
505次组卷
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3卷引用:河北省保定市重点高中2024届高三上学期开学数学试题
名校
4 . 已知函数
(
,且
),曲线
在点
处的切线与直线
平行,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5bd163ab04e2834c8450fcf5af621c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/948c601a647c237f0e0294bf50bf4e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2023-09-10更新
|
755次组卷
|
6卷引用:河北省保定市重点高中2024届高三上学期开学数学试题
河北省保定市重点高中2024届高三上学期开学数学试题河北省邯郸市涉县第二中学等校2024届高三上学期质量检测二数学试题江西省宜春市宜丰中学创新部2024届高三上学期第一次(10月)月考数学试题(已下线)考点01 直线的倾斜角与斜率 2024届高考数学考点总动员【练】(已下线)河南省信阳市信阳高级中学2024届高三一模数学试题河南省许昌市禹州市高级中学2024届高三上学期12月月考数学试题
解题方法
5 . 已知动点
与两个定点
,
满足
,设点
的轨迹为曲线
,则
的方程为__________ ;过
的直线
与
相切,切点为
,
,
为
上两点,且
,
为
的中点,则
面积的最大值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b035bb8f1dab3e1a7397ac4dfb1ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7b48e12bab152aeb25ee855bd60b403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
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2023-09-10更新
|
357次组卷
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4卷引用:河北省保定市重点高中2024届高三上学期开学数学试题
河北省保定市重点高中2024届高三上学期开学数学试题(已下线)考点05 圆的几何性质以及应用 2024届高考数学考点总动员陕西省咸阳市永寿县中学2023-2024学年高三上学期调研模拟测试理科数学试卷陕西省咸阳市永寿县中学2024届高三上学期调研模拟测试数学(文)试题
解题方法
6 . 鳖臑(biē nào)出自《九章算术·商功》,指的是四个面均为直角三角形的三棱锥,如图所示的鳖臑
中,
,
,
,且
,
,则其外接球体积的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8337d3e8670a9ed0165ac853b80af3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28597da489dc639750523c83fbc11c2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cebf5c43e0d519fe63a87d27a4c4cce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad58d0b4e1fe7a829992e549943628ea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/11/a724608a-a984-4ae1-80b6-c7894c14613e.png?resizew=115)
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2023-09-10更新
|
446次组卷
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4卷引用:河北省保定市重点高中2024届高三上学期开学数学试题
7 . 在
中,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f774cd650f14c8f6e4fe0c6a432768bb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f774cd650f14c8f6e4fe0c6a432768bb.png)
您最近一年使用:0次
解题方法
8 . 已知复数z满足
,
为z的共轭复数,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f664e7cbae758c4d702551905a2210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5bee1a80a3249d8a48c3cd92537c2d.png)
您最近一年使用:0次
解题方法
9 . 已知空间中有三点
,
,
,则直线
与
的夹角的余弦值为______ ;点A到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42b10fc1e4a092c60c11e5688186a2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa81567ca7a15e9d2582f0111bff8411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491831eac5da4842db13d615d421a9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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2023-09-07更新
|
228次组卷
|
2卷引用:河北省保定市部分高中2023-2024学年高二上学期开学考试数学试题
名校
10 . 有甲、乙两个加工厂加工同一型号零件,甲厂加工的次品率为
,乙厂加工的次品率为
,已知甲乙两个加工厂加工的零件数分别占当地市场总数的45%,55%,现从当地市场上任意买一件这种型号的零件、则买到的零件是次品,且是甲厂加工的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c23313b7b754da3bec8a586e02a68ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad2925d2ce0e1e8ef352f9501f2590d.png)
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2023-09-07更新
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846次组卷
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4卷引用:河北省秦皇岛市青龙满族自治县实验中学等2校2023届高三下学期开学考试数学试题
河北省秦皇岛市青龙满族自治县实验中学等2校2023届高三下学期开学考试数学试题山西省百师联盟2023届高三下学期开年摸底联考数学试题(已下线)第06讲 事件的相互独立性、条件概率与全概率公式(七大题型)(讲义)吉林省长春市第五中学2023-2024年高二下学期第二学程数学试题