如图,在四面体
中,
是
中点,
是
中点.在线段
上存在一点
,使得
平面
,则
的值为( )
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23-24高二上·四川成都·阶段练习 查看更多[4]
四川省成都市树德中学2023-2024学年高二上学期10月阶段性测试数学试题(已下线)第一章 点线面位置关系 专题一 空间平行关系的判定与证明 微点2 空间直线平行的判定与证明综合训练【基础版】(已下线)第8章 立体几何初步 单元综合检测(重点)-《重难点题型·高分突破》(人教A版2019必修第二册)(已下线)8.5.3 平面与平面平行-同步题型分类归纳讲与练(人教A版2019必修第二册)
更新时间:2023-10-18 19:11:41
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【推荐1】已知正方体
的棱长为1,
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【推荐2】已知正方体
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【推荐1】已知
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【推荐2】已知
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【推荐2】如图,正方体
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的平面分别与棱
,
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,给出下列三个结论:①四边形
一定为菱形;②若四边形
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,
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的体积为
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