题目
题型:不详难度:来源:
答案
解析
核心考点
试题【若向量,且,则 】;主要考察你对空间向量的直角坐标运算等知识点的理解。[详细]
举一反三
A. | B. | C.2 | D. |
A. | B. |
C. | D. |
A.(1,1) | B.(-1,-1) |
C.(3,7) | D.(-3,-7) |
A. | B. | C. | D. |
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