3)在平行四边形ABCD中，为AC一条对角线，若 =(2,4), =(1,3) , = 【】 (A)(-2,-4)(B)(-3,-5)(C)(3,5)(D)(2,4)

問題詳情

3)在平行四边形ABCD中，为AC一条对角线，若

=(2,4),

=(1,3) ,

= 【】
(A)(-2,-4)
(B)(-3,-5)
(C)(3,5)
(D)(2,4)

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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