5. 若矩陣5df84fa1284f2.jpg,矩陣5df84fb8a6005.jpg ,則下列何者可計算?
(A) AB+ B
(B)  AT B
(C) 5df84fec5db54.jpg
(D)5df850021ee0d.jpg

答案:登入後查看
統計: A(0), B(0), C(1), D(6), E(0) #2127206