在
中,
,
,
.D是BC边上的动点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c65bea2c80af038768b74250c694e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5499350b4eee680e875fd87fd8f128f8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
19-20高一上·湖北荆州·期末 查看更多[3]
湖北省荆州市公安县2019-2020学年高一上学期期末数学试题(已下线)专题24 平面向量的几何运算与坐标运算-备战2022年高考数学一轮复习一网打尽之重点难点突破(已下线)5.1 平面向量的线性运算及基本定理(精练)(基础版)-2
更新时间:2020-02-19 20:07:26
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【推荐1】对称性是数学美的一个重要特征,几何中的轴对称,中心对称都能给人以美感,激发学生对数学的兴趣.如图,在菱形ABCD中,
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【推荐2】点
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【推荐1】已知单位向量
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【推荐2】圆是中华民族传统文化的形态象征,象征着“圆满”和“饱满”,是自古以和为贵的中国人所崇拜的图腾.如图,
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【推荐3】已知平面向量
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