1 . 已知向量
,其中
.命题p:若
,则
,能说明p为假命题的一组
和
的坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72da974f283dab2c987f5dddb2f3f402.png)
________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8af740e84814052ba6b234972eb5967.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e745905cf02d7165c2a2dfddcee05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa8f7351f41cbfc74f99de51c752ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fbeefcb60bff9eab8243d3b4931123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72da974f283dab2c987f5dddb2f3f402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8af740e84814052ba6b234972eb5967.png)
您最近一年使用:0次
2024-01-17更新
|
205次组卷
|
2卷引用:河南省濮阳市第三次联考2023-2024学年高一下学期3月月考数学试题
名校
解题方法
2 . 已知点
,
,
,
,
为坐标原点,则
=______ ,
与
夹角的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a290a27cce9bd59bb6d79822473d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647c97da671781944dcbac93af7cadcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efccd7b5bc9dede31c851dd7183e64c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee23583621652dac1b5e413f61f0d129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60dcb171bb7fd972aab8294d63acdb3.png)
您最近一年使用:0次
2020-06-15更新
|
1038次组卷
|
12卷引用:河南省濮阳市2019-2020学年高一下学期升级考试(期末)数学(理)试题
河南省濮阳市2019-2020学年高一下学期升级考试(期末)数学(理)试题河南省濮阳市2019-2020学年高一下学期升级考试(期末)数学(文科)试题北京市海淀区2020届高三年级第二学期期末练习(二模)数学试题陕西省商洛市洛南中学2020届高三下学期第十次模拟数学(文)试题(已下线)专题13 平面向量-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题05 平面向量-2020年高考数学(文)母题题源解密(全国Ⅱ专版)(已下线)专题12 平面向量-2020年高考数学母题题源解密(北京专版)(已下线)专题14 平面向量-2020年高考数学(理)母题题源解密(全国Ⅰ专版)(已下线)专题14 平面向量-2020年高考数学(文)母题题源解密(全国Ⅰ专版)(已下线)6.3 平面向量的基本定理及坐标表示-2020-2021高中数学新教材配套提升训练(人教A版必修第二册)北京市第五中学2022届高三下学期三模数学试题北京卷专题15平面向量(填空题)
解题方法
3 . 在
中,角A,B,C所对的边分别为a,b,c,已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
________ ;若
,
,点P是
的中点,点M,N分别在线段
,
上,
,
,则
的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21ae1451291968dba74fe05be6406ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe7a93172d308a58200e3c722fe1072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cc36a94547a040f34392addf7b2fd3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1021e013e3e0f7b2797a3647fdc2f1a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e755959a8931ce9beae06453e979ca3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
您最近一年使用:0次
2020-06-12更新
|
425次组卷
|
3卷引用:河南省濮阳市2020届高三第二次模拟考试数学(文)试题