题目.如果行列式 D= |} (a)_(11)& (a)_(12)& (a)_(13) (a)_(21)& (a)_(22)& (a)_(23) (a)_(31)& (a)_(32)& (a)_(33) | .-|||-(A)3D-|||-B -3D-|||-27D-|||-D -27D题目解答答案