Răspunsuri

Cel mai inteligent răspuns!
2014-04-26T11:12:13+03:00
P=2l+2L=120
l=L/4

2L+2* L/4=120
2L+L/2=120
4L+L=240
5L=240
L=48
l=48/4=12

2 3 2