![\left[\begin{array}{ccc}-2&-1&1\\6&0&3\end{array}\right]](/tpl/images/0328/8490/dee88.png)
![\left[\begin{array}{ccc}0&2&4\\4&4&1\end{array}\right]](/tpl/images/0328/8490/00143.png)
![-\left[\begin{array}{ccc}2&3&3\\-2&4&-2\end{array}\right]](/tpl/images/0328/8490/23bc9.png)
![\left[\begin{array}{ccc}0-2&2-3&4-3\\4+2&4-4&1+2\end{array}\right]](/tpl/images/0328/8490/c1bd3.png)
Add & subtract matrices
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