Řeš v ℝ nerovnice:
\large 2x - 3 \leq 1
\large K = \left( - \infty ;0\right \rangle
\large K = \left( - \infty ;2\right \rangle
\large K = \left( - \infty ;3\right \rangle
\large K = \left( - \infty ;1\right \rangle