問題詳情
13 設 
，則行列式│A-1│ =?
(A)1/23
(B)1/46
(C)46
(D)23
，則行列式│A-1│ =? (A)1/23
(B)1/46
(C)46
(D)23
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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