已知
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,且
与
的夹角为钝角,则实数k的取值范围是______ .
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/189435e80183b67195e085f7d803fe29.png)
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22-23高二上·上海浦东新·阶段练习 查看更多[3]
(已下线)上海市华东师范大学第二附属中学2022-2023学年高二上学期10月月考数学试题(已下线)6.3.5 平面向量数量积的坐标表示 (精讲)(2)【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)河南省南阳市第一中学校2023届高三上学期第三次阶段性测试理科数学试题
更新时间:2022-11-20 22:03:58
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