a)
O = k + 2s + 3t
P = 0,5 * k * 2s = ks
b)
O = 2r + 2(w+f) = 2r + 2w + 2f
P = ah = 2g(w+f) = 2gw + 2gf
c)
O = 2(n+m) + 2p = 2n + 2m + 2p
P = (n+m)p = np + mp
Szczegółowe wyjaśnienie:
0=h+2s+3t
P=0,5×k×2s=ks
