Se consideră matricele: [tex]A=\left([tex]\begin{array}{rr}1 & 3 \\ -2 & 0 \\ 0 & 1\end{array}\right), B=\left(\begin{array}{rr}-1 & 1 \\ 1 & -1 \\ 0 & 2\end{array}\right), C=\left(\begin{array}{rr}0 & 1 \\ -1 & 0 \\ 3 & 1\end{array}\right)[/tex].[/tex]

Să se calculeze: [tex]A+B, A-B, A+C, A-C, B+C, B-C, A+B+C, A+B-C[/tex], [tex]A-B-C, A+C-B, B+C-A, B-C-A[/tex].