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若且,则与的夹角为                                              ...

问题详情:

若且,则与的夹角为                                              ...若且,则与的夹角为                                              ... 第2张,则若且,则与的夹角为                                              ... 第3张若且,则与的夹角为                                              ... 第4张的夹角为                                                      (    )

       (A)若且,则与的夹角为                                              ... 第5张                     (B)若且,则与的夹角为                                              ... 第6张                    (C)若且,则与的夹角为                                              ... 第7张                   (D)若且,则与的夹角为                                              ... 第8张   

【回答】

A

知识点:平面向量

题型:选择题

TAG标签:夹角 若且 #