Răspunsuri

2014-06-07T13:02:10+03:00
L=23+25=48
l=L:2=48:2=24

P=2l+2L=2*24+2*48=48+96=144
31 4 31
2014-06-07T15:08:46+03:00

L=23+25

L=48

l=48:2

l=24

P=2·(L+l)

P=2·(48+24)

P=2·72

P=144

25 4 25