Răspunsuri

2014-05-05T17:47:26+03:00
P=l+l+L+L
P=2l+2L
P=2(l+L)
2(l+L)=24
l+L=12
l=5
5+L=12
L=12-5
L=7
1 4 1
2014-05-05T17:47:53+03:00