3.
a)
[tex] {1}^{2} + 3 = 4 \times 1 \\ 1 + 3 = 4 \\ L = P[/tex]
Prawda
b)
[tex]2 \times 2 + 5 = 10 \\ 4 + 5 = 10 \\ L \not= P[/tex]
Fałsz
c)
[tex] {3}^{2} + 3 = 4 \times 3 \\ 9 + 3 = 12 \\ L = P[/tex]
[tex]3 \times 3 + 1 = 3 + 7 \\ 9 + 1 = 10 \\ L = P[/tex]
[tex] {2}^{3} = 8 \\ 8 = 8 \\ L = P[/tex]
Prawda
4.
Małgosia - x - 5
Ola - x
[tex]x + x - 5 = 37 \\ 2x - 5 = 37[/tex]
[tex] \boxed{ \boxed{Odp.C}}[/tex]
