[−101230413]\left[\begin{array}{ccc} -1 & 0 & 1 \\ 2 & 3 & 0 \\ 4 & 1 & 3 \end{array}\right]−124031103
[20−1034−145]\left[\begin{array}{ccc} 2 & 0 & -1 \\ 0 & 3 & 4 \\ -1 & 4 & 5 \end{array}\right]20−1034−145
[01−4−1034−30]\left[\begin{array}{ccc} 0 & 1 & -4 \\ -1 & 0 & 3 \\ 4 & -3 & 0 \end{array}\right]0−1410−3−430
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