zad. 1
4, 8, 12, 20
Obw = 4*a
Obw = 4*4 = 16
Obw = 8*4=32
Obw = 12*4=28
Obw = 20*4 =80
6
Obw = 2*a + 2*b
a=4
b = 8
Obw = 2*4+2*8= 24