题文
在边长为4的正方形ABCD中，E为BC中点，P为DE中点，![在边长为4的正方形ABCD中，E为BC中点，P为DE中点，[ ]A.-5B.-4 C.4 D.5](https://www.mshxw.com/file/tupian/20210916/2e8ec741a014d1539203243eb13cc063.png "在边长为4的正方形ABCD中，E为BC中点，P为DE中点，[ ]A.-5B.-4 C.4 D.5")
[ ]A.-5
B.-4
C.4
D.5 题型：未知 难度：其他题型
答案
D解析
该题暂无解析
考点
据考高分专家说，试题“在边长为4的正方形ABCD中，E为.....”主要考查你对 [向量数量积的运算 ]考点的理解。[ ]A.-5
B.-4
C.4
D.5 题型：未知 难度：其他题型
题文
在边长为4的正方形ABCD中，E为BC中点，P为DE中点，答案
D解析
该题暂无解析
考点
据考高分专家说，试题“在边长为4的正方形ABCD中，E为.....”主要考查你对 [向量数量积的运算 ]考点的理解。上一篇 I remember my mother as a strong woman. She came to America when she was 12—old
下一篇 I did very badly at school. My headmaster thought I was and when I was 14 he sai
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