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1 . 在直三棱柱
中,
,
,
,
是线段
上的动点,则
的最小值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a0946888ae70f1d37116c2d3867720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bc235df1d3cf1b65050cd1907590cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be3d85716c301231663fd71b697a4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64335ca7a84a7b6711ca2cb531ed94a1.png)
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2 . 在孟德尔豌豆试验中,子二代的基因型为
、
、
,其中
为显性基因,
为隐性基因,且这三种基因型的比为
.如果在子二代中任意选取
颗豌豆作为父本杂交,那么子三代中基因型为
的概率是_________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e52a86375cb12c4649827b5b3bbbb61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3665eff8bc56d588b3aa60733bca60e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fea05eca12bfaa6cf5b4a083e0f36ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea353ff2279e5018efb134144a583c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fea05eca12bfaa6cf5b4a083e0f36ba.png)
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2024-06-09更新
|
251次组卷
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6卷引用:广东省东莞市第四高级中学2023届高三三模数学试题
广东省东莞市第四高级中学2023届高三三模数学试题(已下线)考点巩固卷24 古典概型、相互独立、条件概率及全概率公式(七大考点)(已下线)第06讲 事件的相互独立性、条件概率与全概率公式(练习)四川省仁寿第一中学校南校区2023-2024学年高二下学期4月阶段性检测数学试题(已下线)模块三 失分陷阱3 跨学科渗透题不会提取关键信息(已下线)【讲】专题九 概率中数学文化问题(压轴大全)
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解题方法
3 . 直线
过点
,若
的斜率为2,则
在
轴上的截距为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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2024·全国·模拟预测
解题方法
4 . 设函数
的定义域为
,
为奇函数,
为偶函数,且当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3237922154babd3021e091d185e3be.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e81e15b871dd32b2438ef8025bcc42d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2215ece47e22ff5f4ae6fa8f77fe1636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3237922154babd3021e091d185e3be.png)
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5 . 水车又称孔明车,是以水流为动力的机械装置,是我国古老的农业灌溉工具.如图,某水车的半径为4米,圆心
距离水面2米,每分钟逆时针匀速旋转5圈.当水车上点
从水中浮现时(图中点
)开始计时,已知点
距离水面的高度
(米)关于时间
(秒)的函数为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031234fed7c1e7ce28e7dd1342b01e78.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a27b2182708f6c2e295d4f2bf84cb1.png)
________ ;点
第一次到达最高点大约需要________ 秒.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031234fed7c1e7ce28e7dd1342b01e78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13475bcbebd8000293e134a6b9fc8411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a27b2182708f6c2e295d4f2bf84cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/59c0a76f-7172-49eb-991a-934c6e47c7a5.png?resizew=159)
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2024-01-11更新
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460次组卷
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5卷引用:高一上学期期末考点大通关真题精选100题(2)-【题型分类归纳】(人教A版2019必修第一册)
(已下线)高一上学期期末考点大通关真题精选100题(2)-【题型分类归纳】(人教A版2019必修第一册)云南省昆明市五华区2023-2024学年高一上学期1月期末质量检测数学试题(已下线)专题05 三角函数3-2024年高一数学寒假作业单元合订本(已下线)1.8 三角函数的简单应用-同步精品课堂(北师大版2019必修第二册)江西省宜春市丰城中学2023-2024学年高一下学期第一次段考(3月)数学试题
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6 . 已知函数
(
),若
在区间
内恰有4个零点和三条对称轴,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5472cddc5a446758ae52fcb1bffeb7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f897eed68eaf69608ffa4cf9de94a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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2024-01-11更新
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482次组卷
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2卷引用:安徽省合肥市第一中学2023-2024学年高一上学期素质拓展训练(9)数学试题
7 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74636e031af6a63a9ead14e163c6a45.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddcb1709910c3b31d08e7bdef0e393e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74636e031af6a63a9ead14e163c6a45.png)
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2024-01-10更新
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777次组卷
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4卷引用:湖南省大联考长沙市一中2024届高三上学期月考数学试卷(五)
湖南省大联考长沙市一中2024届高三上学期月考数学试卷(五)湖南省长沙市第一中学2024届高三上学期月考数学试卷(五)广东省珠海市第一中学2024届高三上学期大湾区期末数学预测卷(四)(已下线)第7章 计数原理 章末题型归纳总结(4)
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解题方法
8 . 如图,在三棱柱
中,
,
为
的中点,E为
的中点,
和
相交于点P,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc2ddabf078c1b683b067eb1aee1969.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e141fbf1a87b34f062bf4518498deebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07efb4fa33e8e75784eed4a584e10f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc2ddabf078c1b683b067eb1aee1969.png)
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解题方法
9 . 已知函数
,则不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cd45561a50531a9253bce3bb5a3456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c4f8e29aa79e03637410f04887145b.png)
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10 . 已知
,
,则
最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a805f4d3f96259b88da720f73f211e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1545332f6fede665a188fcbdb333b0b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b993e97d94017a4e9c5be3056ff9ecc.png)
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