Răspuns :
1L----4latimi
4l+1l+4l+1l---10latimi figureaza680m
680m/10---68m--1latime
68x4---272m--1Lungime
P--68mx2+272mx2---680m
4l+1l+4l+1l---10latimi figureaza680m
680m/10---68m--1latime
68x4---272m--1Lungime
P--68mx2+272mx2---680m