Răspunsuri

2014-04-28T20:51:48+03:00
Fie l-latimea si L-lungimea
p=2l+2L
L=700cm+l
p=2l+1400cm+2l=4l+1400cm
p=54m=5400cm
5400cm=4l+1400cm
4000cm=4l
4000cm/4=1000cm=l
L=700+l=700+1000=1700
l=10m  L=17m
4 4 4