2024高三·全国·专题练习
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解题方法
1 . 已知向量
,
,
,
_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0150d9c357f2f8f8deecacd3ef0545cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcad49be70d78e1e475d77c9d64d617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41910605980fe3f71b60a50e15e97023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fdf6f4e96b231e2802b5d6059451534.png)
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2024-06-03更新
|
576次组卷
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5卷引用:安徽省马鞍山市第二中学2023-2024学年高二上学期开学检测数学试题
安徽省马鞍山市第二中学2023-2024学年高二上学期开学检测数学试题(已下线)专题10 平面向量(理科)-2(已下线)专题9 平面向量(文科)-1陕西省商洛市柞水中学2024届高考仿真模拟考试数学(理科)试题陕西省柞水中学2024届高考仿真模拟考试数学(文科)试题
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2 . 设一元二次方程
的两实根分别为
,则
满足( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a164c67923fa020735240b3836c7fa8.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
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3 . 已知
则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d7a08897d09dd0375375c7384c9a031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 已知
,函数
在点
处的切线均经过坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a72228506f0ab7d8d4179fd0ca82d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa89a2010f813feaaf42256d0742f71a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-04更新
|
2640次组卷
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7卷引用:安徽省阜阳市阜阳一中2023-2024学年高二下学期开学检测数学试题
安徽省阜阳市阜阳一中2023-2024学年高二下学期开学检测数学试题上海市浦东新区上海实验学校2024届高三下学期开学考试数学试题浙江省温州市2024届高三上学期期末考试数学试题湖南省2024届高三数学新改革提高训练五(九省联考题型)(已下线)新题型01 新高考新结构二十一大考点汇总-3(已下线)黄金卷02(2024新题型)甘肃省兰州市西北师范大学附属中学2024届高三第三次诊断考试数学试题
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5 . “扇形窗下清风徐”.如图所示是一个扇子形窗,其所在的扇形半径为
,圆心角为
,窗子左右两边的边框长度都为
,则该窗的面积约为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/5473f5c3-9827-4770-b16d-e804683b2da1.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84755b560534a4cab0c57e1a31cb656c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9871f2a312aaf3a19b40e4fb1a7693b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/5473f5c3-9827-4770-b16d-e804683b2da1.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-26更新
|
229次组卷
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3卷引用:安徽省宿州市泗县第一中学2023-2024学年高一下学期开学适应性训练数学试题
6 . 如图,在
中,
于点
,
于点
,
为
边的中点,连接
、
、
,则下列结论:①若
,则
;②若
,则
;③若
,则
为等边三角形;④若
,则
.其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3f843b83e62bab294988a7ea134a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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A.①②③ | B.①③④ | C.①②④ | D.②③④ |
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7 . 如图入口进入,沿框内问题的正确判断方向,最后到达的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/3/b105ab4a-dcbd-4d5e-8cff-2a9791ee7e6f.png?resizew=582)
A.甲 | B.乙 | C.丙 | D.丁 |
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8 . 如图,在
轴上方,平行于
轴的直线与反比例函数
和
的图象分别交于
、
两点,连接
,过
点作
交
轴于
点,若平行四边形
的面积为12,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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A.12 | B.-12 | C.6 | D.-6 |
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解题方法
9 . 物理某一实验的电路图如图所示,其中K1,K2,K3为电路开关,L1,L2为能正常发光的灯泡.任意闭合开关K1,K2,K3中的两个,那么能让两盏灯泡同时发光的概率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/2/694826d8-a96d-4d3a-9db0-306dde396a11.png?resizew=178)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 如图所示零件的左视图是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/b7209040-0522-4b0f-889b-8edf8cbf4dd5.png?resizew=132)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/31/b7209040-0522-4b0f-889b-8edf8cbf4dd5.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
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