0 %
Řešení soustavy rovnic
Řeš v ℝ × ℝ soustavu rovnic:
0,2 x\ –\ 0,3z = 31
\large 0,3 x + 0,4z = 21
\large K = \left \{{\left[ {100;- 20}\right] } \right \}
\large K = \left \{{\left[ {90;- 10}\right] } \right \}
\large K = \left \{{\left[ {110;- 30}\right] } \right \}
\large K = \left \{{\left[ {120;- 40}\right] } \right \}