Răspuns:
[tex]\left[\begin{array}{ccc}512&512&512\\0&1&0\\512&511&512\end{array}\right] +\left[\begin{array}{ccc}256&256&256\\0&1&0\\256&255&256\end{array}\right] =[/tex]
[tex]=\left[\begin{array}{ccc}512+256&512+256&512+256\\0+0&1+1&0+0\\512+256&511+255&512+256\end{array}\right]=\left[\begin{array}{ccc}768&768&768\\0&2&0\\768&766&768\end{array}\right][/tex]