3. 設矩陣A = (aij) 3 ﹐n ∈ N﹐其中a 3⎥⎥⎥× ij = + ij + ﹐i﹐j = 1﹐2﹐3，則A = ____________

問題詳情

3. 設矩陣A = (aij) 3 ﹐n ∈ N﹐其中a 3⎥⎥⎥× ij = + ij + ﹐i﹐j = 1﹐2﹐3，則A = ____________

參考答案

答案：A
難度：簡單0.769231
統計：A(10),B(1),C(0),D(2),E(0)