Răspunsuri

2014-04-24T17:52:55+03:00
2(L+l)=230
l+L=230:2
L+l=115
l=L:4⇒L=4l
4l+l=115
5l=115
l=115:5
l=23
L=115-23
L=92
imi poti arata desenul
DESENEZI UN DRETUNGI
simpu fara altceva
bine orcum multumesc
2014-04-24T18:00:45+03:00
P=2(L+l)
l=L/4
230=2(L+L/4)
10L/2=320
L=320:5
L=64
l=64/4=18