名校
解题方法
1 . 在平面直角坐标系中,
,若A,B,C三点能构成三角形,则实数m的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd49a7f808e01b732e9df7a3e8ab2628.png)
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2 . 已知平面向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d655f1d0dabce4a44b431b96462ac7b.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d655f1d0dabce4a44b431b96462ac7b.png)
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2016-12-03更新
|
678次组卷
|
5卷引用:福建省厦门市第三中学2021-2022学年高一下学期第一次月考数学试题
解题方法
3 . 向量
,
,若向量
与
共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6009182731012aad2b87fdd3164c55df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4ec6c397f39629ea73ee8c363de7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9607a673598ce98ed17b0732ac39af0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1da92a2fc2ce861e82f7192fe4e648f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2020-04-04更新
|
195次组卷
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3卷引用:福建省2019-2020学年高三毕业班质量检查测试文科数学试题
福建省2019-2020学年高三毕业班质量检查测试文科数学试题(已下线)专题9.3 向量基本定理及坐标表示(重点练)-2020-2021学年高一数学十分钟同步课堂专练(苏教版2019必修第二册)江西省丰城市第九中学日新班2023-2024学年高二上学期期末数学模拟试卷
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解题方法
4 . 已知向量
,
,若
,则
的取值范围为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47e156146f519cc98de2d4cd1ab3314d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f239660e4bf4c3e9ca395c5e3ec39f9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf42952b6ca0823cbcdc6ff48cbe1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2018-02-08更新
|
328次组卷
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3卷引用:福建省华安县第一中学2024届高三上学期10月月考数学试题
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5 . 设
,
,
且
三点共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a52a512acbfc13e72338b712784d84b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f1edc404f28e1182a99e5a9649a6ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0f14797e092ac8f71994ec37724589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae29000bb323cdde854b9b2990702106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2019-11-14更新
|
230次组卷
|
2卷引用:福建省泉州市晋江市南侨中学2019-2020学年高二上学期11月月考数学试题
名校
解题方法
6 . 如图,
中,E,F分别是BC,DC的中点,G为交点,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511e2b3ce8ef407cee4f955e3574ba36.png)
________ ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904b89a084f79947a5030d408be5e9bd.png)
________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b536ac375a0b74e9c7efbc585f987f72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c4abd10ab43ce90743bd0f79b1f5bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/511e2b3ce8ef407cee4f955e3574ba36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/904b89a084f79947a5030d408be5e9bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/25/51ae3638-27d2-4379-b31b-c98c1df28829.png?resizew=187)
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7 . 向量
,且
,则x=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07de5618dcec9cc7870d7fdd54ce0ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05f1d68b133c5d2f76a06186e0ffb08.png)
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2020-10-30更新
|
160次组卷
|
3卷引用:福建省莆田第七中学2020-2021学年高二上学期第一次月考数学试题
福建省莆田第七中学2020-2021学年高二上学期第一次月考数学试题福建省莆田第七中学2020-2021学年高二上学期期中考试数学试题(已下线)6.3.3 平面向量加、减运算的坐标表示——课后作业(巩固版)
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8 . 设平面向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a99a8efc3c2d776c04a900ca27ead78.png)
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc781bfb930aa545ccdc67ca8ec4098.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a99a8efc3c2d776c04a900ca27ead78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee264c98e64b8683af7ccce197e5608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076559f08d17fb25e82886e791719e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc781bfb930aa545ccdc67ca8ec4098.png)
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9 . 在
中有如下结论:“若点
为
的重心,则
”.设
分别为内角
的对边,点
为
的重心. 若
,则内角
的大小为_________ ;当
时,
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953bbd281e02da9e2e4a0a13843b94a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedb5376262d69e5e3a22c9df0d8dfe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
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2021-03-29更新
|
92次组卷
|
2卷引用:福建省连城县第一中学2020-2021学年高一下学期第一次月考数学试题
名校
10 . 已知
为等边三角形,动点
在以
为直径的圆上,若
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d212efb3b99f757bd73a01d4028599a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcaac97efa5492fc72fb0f773f0c4861.png)
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