Soma
\[ \vec{u} = (x_{1}, y_{1}, z_{1}) \vec{v} = (x_{2}, y_{2}, z_{1}) \vec{u} + \vec{v} = (x_{1} + x_{2}, y_{1} + y_{2}, z_{1} + z_{2}) \]
\[ \vec{u} = (x_{1}, y_{1}, z_{1}) \vec{v} = (x_{2}, y_{2}, z_{1}) \vec{u} + \vec{v} = (x_{1} + x_{2}, y_{1} + y_{2}, z_{1} + z_{2}) \]