Răspunsuri

2014-05-24T16:55:26+03:00
L=144
l=144*5/8
l=720/8
l=90

P=l+l+L+L
P=90+90+144+144
P=468

Se inconjoara de 2 ori cu sarma=> ne trebuie
468x2=936 m sarma
2 5 2
2014-05-24T16:56:57+03:00
L=144
l=90m (5/8 x 144)
(90+144)x2=234m x 2=468m
Al doilea rand: 468x2= 936m
2 4 2