如图所示,
,若
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
__
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5799f23e5a9ec3c1cb238930bb4ee39c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5880d857bd0cb6ea42d55ff3064c3c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://img.xkw.com/dksih/QBM/2012/1/3/1570672295747584/1570672300965888/STEM/afd08f961109404589fc68a1a8c08125.png?resizew=250)
12-13高三上·山东济宁·阶段练习 查看更多[1]
(已下线)2012届山东省汶上一中高三12月月考考试理科数学
更新时间:2016-12-01 12:43:53
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填空题-单空题
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适中
(0.65)
解题方法
【推荐1】在梯形ABCD中,
为AD中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
__________ ..
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da92c977afcf03095c29932eacabef1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8025304ed65fae4c45078bc6e651df0.png)
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您最近一年使用:0次
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适中
(0.65)
【推荐2】已知下列命题:①
;②函数
的图象向左平移1个单位后得到的函数图象解析式为
;③函数
满足
,则函数
的图象关于直线
对称;④满足条件
的三角形
有两个,其中正确命题的序号是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ce95a12ee64c1d122a1ea0cae351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d195c5ee79e1fcca4f4cb9e2e6c46335.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbfe40cb2b1244a118e0d09c08b9107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db40d5295942e85ec07a3728c7ad308d.png)
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您最近一年使用:0次
填空题-单空题
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适中
(0.65)
【推荐1】在三角形
中,
是
中点,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee38ef0189000b6f1bee0a046ff4b091.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
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解题方法
【推荐2】已知菱形ABCD的边长为2,则向量
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1fe2d802f2b37e7db198c5a3c1df9a4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a1a69d7460d12d4facd43e0d941190.png)
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您最近一年使用:0次
填空题-单空题
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解题方法
【推荐1】正
的边长为2,D为BC边的中点,则
的模等于_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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您最近一年使用:0次
填空题-单空题
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【推荐2】已知平行四边形ABCD,点E为BC的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0acbf499cfc16955ca0e04e49e3d92e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
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