飞镖运动于十五世纪兴起于英格兰,二十世纪初,成为人们在酒吧日常休闲的必备活动.某热爱飞镖的小朋友用纸片折出如图所示的十字飞镖,该十字飞镖由四个全等的四边形拼成.在四边形
中,
,
,
,
,点
是八边形
内(不含边界)一点,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607543bb9f55b8a141ed2d6cf0e1a20b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c54276d36db232bc3ae6327f757241c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969e25f8cf051584c6c79c4dd118451c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17d4a6cf11cda87b3dfafaecdec683f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73defca3f5b9689d2d890c0755de1c43.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/25/9759a1d0-6f5d-4720-8c74-24bb6d5bfc3d.png?resizew=152)
更新时间:2022-06-23 10:37:56
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解题方法
【推荐2】已知向量
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