RÄspuns:
ExplicaČie pas cu pas:
2/3 L + 2/3 L + L + L = 270
L = (270 x3) : 10 = 81
l = 2/3 x 81 =54
/---/---/ latimea
/---/---/---/ lungimea
2seg+3seg=5seg
270:5=54 m are un seg
54Ć2=108 m are latimea
54Ć3=162 m are lungimea
Verificare:108m+162m=270m
