Odpowiedź :
O = 2(4 -d)+ 2(3d + 2 ) = 8 - 2d + 6d + 4 = 4d + 12
P = (4-d)(3d + 2) = 12d + 8 -3d^2 -2d = -3d^2 + 10d + 8
1-F
2-P
P = (4-d)(3d + 2) = 12d + 8 -3d^2 -2d = -3d^2 + 10d + 8
1-F
2-P