Răspuns :
Adunam lungimile parcurse.....si obtinem:12.km si 22m.+15 km si 3hm.si 15 m +20 km.si 10 m....si aflam lungimea traseului=47km.si 387m....!O dupa-amiaza linistita!
22m=0,022km, 3hm=300m=0,3km, 15m=0,015km, 4dam=40m=0,040km,
10m=0,010km deci suma = 12+0,022+15+0,3+0,015+20+0,040+0,010=
=47,387 km= 47387m