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1 . 若
展开式中的常数项为
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0dabc2971860d6313a7cb089802b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b4cc0ef850fb0fcd51ea490f4f8c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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710次组卷
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3卷引用:浙江省(杭州二中、绍兴一中、温州中学、金华一中、衢州二中)五校联考2024届高考数学模拟卷
2 . 若一组数据
的方差是5,则数据
的方差是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe1c31a81f198c443e71b83ca662939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0539afa6a847e42683ddc877e5264b8d.png)
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3 . 已知复数
满足
(其中
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b31cc8f92c837cbbddd7d6af27dd1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579743813856e2a9183f5ec6eaaefbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
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解题方法
4 . 已知
,
,过
轴上一点
分别作两圆的切线,切点分别是
,
,求
的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53fa113df40e714eb6c343f740a53e4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b85573d62c169b1e36ed6299f367c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
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5 . 已知随机变量
的取值为
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56d3c6256e17c9d4bbc44b2cfe8ae94.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce9f696b2e58dbdf5e89f1b35e30b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f3980df4df293308601b6a1895d78b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006c079866a96892cf86597b47afad44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56d3c6256e17c9d4bbc44b2cfe8ae94.png)
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555次组卷
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3卷引用:浙江省湖州中学2023-2024学年高二下学期第二次阶段性测试数学试题
浙江省湖州中学2023-2024学年高二下学期第二次阶段性测试数学试题广东省深圳市福田区红岭中学2023-2024学年高二下学期期中考试数学试卷(已下线)专题04 随机变量的均值与方差综合--高二期末考点大串讲(人教B版2019选择性必修第二册)
解题方法
6 . 已知函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d0a191ad038b6fc08d08311048d228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb04d514baf56eec084671b88898770b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98cf78bc7435d06dd8a9112c5c8a178b.png)
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7 . 已知三棱锥
的四个顶点在球O的球面上,
,
是边长为6的正三角形,E为SA的中点,直线CE,SB所成角为90°,则球O的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700f2f0f1cf306f7fc18d18fe91d0acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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解题方法
8 . 已知复数
满足
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a1621cb90522c90545c3372fade212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe708b41ce87fc158edbb43135c14d3d.png)
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2024-06-18更新
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4卷引用:浙江省杭州市西湖高级中学2024届高三下学期数学模拟预测数学试题
浙江省杭州市西湖高级中学2024届高三下学期数学模拟预测数学试题湖北省武汉市2024届高三下学期5月模拟训练试题数学试卷上海市 位育中学2023-2024学年高三下学期三模数学试题(已下线)专题06 复数的9种常考题型归类 -《期末真题分类汇编》(北师大版(2019))
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9 . 设
为
的重心,满足
.若
,则实数
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9dda408d508f71aa2a839a70a10b8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bce7196f34942ca7bc7fcb970b8cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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10 . 已知实数
满足
,设
,则
的最大为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa845bf3a1b8e0b5697889b8560bffaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0986bc3ccec5c0da395bc78f962eed30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0d6f6a62b180f22f0a7963274acdc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
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