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