Odpowiedź:
[tex]2.5 \times {( - 1)}^{2} - 2 \times ( - 1) = 2.5 \times 1 + 2 = 2.5 + 2 = 4.5[/tex]
[tex]2.5 \times {0}^{2} - 2 \times 0 = 2.5 \times 0 - 0 = 0[/tex]
[tex]2.5 \times {1}^{2} - 2 \times 1 = 2.5 - 2 = 0.5[/tex]
