若向量
和向量
平行,则 ![](https://img.xkw.com/dksih/QBM/2013/6/8/1571241186672640/1571241192079360/STEM/6bbe59895655415c9c4b2d7724db4f12.png)
![](https://img.xkw.com/dksih/QBM/2013/6/8/1571241186672640/1571241192079360/STEM/01fb219e0e3b489fbe7bdb60fcb13dac.png)
![](https://img.xkw.com/dksih/QBM/2013/6/8/1571241186672640/1571241192079360/STEM/8f7e93a853974a81b3500b1f430fffc4.png)
![](https://img.xkw.com/dksih/QBM/2013/6/8/1571241186672640/1571241192079360/STEM/6bbe59895655415c9c4b2d7724db4f12.png)
A.![]() | B.![]() | C.![]() | D.![]() |
12-13高一下·吉林长春·阶段练习 查看更多[2]
更新时间:2016-12-02 06:21:55
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解题方法
【推荐1】已知
和
不共线,
,并且
共线,则下列各式正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd8a052e56b53a66497b4b55a968a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc155e36276a2226c40a1f4ef7a0f41a.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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单选题
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容易
(0.94)
名校
【推荐2】如图,在
中,点
是线段
上一点,若
,则实数
的值为( )
![](https://img.xkw.com/dksih/QBM/2022/7/14/3022227312951296/3023297891459072/STEM/b1bddbf1bad54b958c4bd8cc41944656.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/23296a55db3019632f9527e820bbdf20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/2022/7/14/3022227312951296/3023297891459072/STEM/b1bddbf1bad54b958c4bd8cc41944656.png?resizew=189)
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