Matematika A - 2022. jesen, 7.

$-\vec{a}-\vec{b}-\backslash vec\{a\}-\backslash vec\{b\}$

$-\vec{a}+\vec{b}-\backslash vec\{a\}+\backslash vec\{b\}$

$\vec{a}-\vec{b}\backslash vec\{a\}-\backslash vec\{b\}$

$\vec{a}+\vec{b}\backslash vec\{a\}+\backslash vec\{b\}$