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_MATH1013_1ABCD_2025 Subsection 7.1 (closed on 29 Nov)

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Compute [math: (−9−6−72)+(58−1−3)]\begin {pmatrix}-9&-6\\-7&2\end {pmatrix}+\begin {pmatrix}5&8\\-1&-3\end {pmatrix}.

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