Răspunsuri

2014-05-20T16:59:31+03:00
L-l=  47
L+l=135
adunand cele doua reatii
2L=182
L=91
L+l=135
l=135-L=135-91=44

1 5 1
2014-05-20T17:00:50+03:00
L=lungime
l=latime
L-l=47⇒L=l+47
L+l=135
l+47+l=135
2l=135-47
2l=92
l=36
L=83