如图,△ABC中,
,
,
. 若
,
.
,
,则
=
![](https://img.xkw.com/dksih/QBM/2011/5/30/1570227206119424/1570227211198464/STEM/828b9af585134f0984b8f73f39f12ee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8698fe573b14e9801646f8de060377e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e57118e00fdd3fa7afdf1fb2077832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14bcc088b7c6c0b3f798f0f38a2cc438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06c51a0fa6c1d80ce788db6c2e8bc487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eb332d4b9db36e0eabdbc8ba8c11c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da3e7de044227ab3f922c46d6c7fa1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec01ab2be56c2c41db87b7d1139043ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27e62ba44cbfec6823ebc1f0c7457fb.png)
![](https://img.xkw.com/dksih/QBM/2011/5/30/1570227206119424/1570227211198464/STEM/828b9af585134f0984b8f73f39f12ee6.png)
A.2 | B.4 | C.6 | D.8 |
10-11高三上·江西·阶段练习 查看更多[5]
(已下线)2011届江西省师大附中、临川一中学高三12月月考数学理卷(已下线)2011届浙江省宁波市十校高三联考数学文卷(已下线)2011届江西省赣县中学高三适应性考试理科数学(已下线)专题11+平面向量应用举例(基础练)-2020-2021学年高一数学十分钟同步课堂专练(人教A版必修4)(已下线)专题8.6—平面向量—综合练习2-2022届高三数学一轮复习精讲精炼
更新时间:2016-11-30 11:58:15
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【推荐1】已知
是
所在平面内一点,
为
的中点,若
,且
与
的面积相等,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a698deee0d36c8d2772f39247f3f1b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c025ee3317be1099b7bf03a11e37ed4.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】已知向量
不共线,
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( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaccfa28fcd8b60194990aca32418470.png)
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【推荐3】
,
,
是圆
上不同的三点,线段
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交于点
(点
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【推荐1】如图,在平行四边形
中,点
是
的中点,点
为线段
上的一动点,若
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的最大值为( )
![](https://img.xkw.com/dksih/QBM/2021/6/20/2746928216834048/2747870565572608/STEM/0d9e06b7c25e4c148010339f8ae3fee2.png?resizew=221)
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解题方法
【推荐2】
中,
,∠A的平分线AD交边BC于D,已知
,且
,则AD的长为( )
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