6. BRYA
A SZTYWNA
6.1. a) = 2 ; b) = 4 ; c) = 2 + 2
6.2. a) = ; b) = 2 ; c) =
6.3.
a) =
b) =
c) =
d) =
e) =
f) =
g) =
h) =
i) =
6.4. =
6.5. = + + 2
6.6. = 2
6.7. = +
6.8. a) = ; b) = + ; c) = 3
6.9. =
"
6.10. = - 1
6.11. = -