Răspunsuri

2014-03-14T14:44:36+02:00
L+l+L+L=24
2(l+L)=24
l+L=12

L=2+l
l+2+l=12
2xl=12-2
2xl=10
l=10:2
l=5 => L=7

Aria=lxL
Aria=7x5
Aria=35
13 4 13