Răspunsuri

2014-05-05T17:35:33+03:00
P=l+l+L+L
2l+2L=120
2(l+L)=120
l+L=60
L=2l
l+2l=60
3l=60
l=60:3
l=20
L=2*20
L=40
Multumesc mult de tot!!!!!!!
cu placere. unde nu imtelegi intreaba