Matematika A - 2015. jesen, 11.

$⟨-\mathrm{\infty },6⟩\backslash langle-\backslash infty,\; 6\backslash rangle$

$⟨4,6]\backslash langle\; 4,6]$

$[4,6⟩[4,6\backslash rangle$

$[6,{+}^{\circ }⟩\backslash left[6,+^\{\backslash circ\}\backslash right\backslash rangle$