Răspuns :
1 zi : 20 km
a 2a zi :20-6=14 km
20+14 =34 km ( in cele 2 zile )
a 2a zi :20-6=14 km
20+14 =34 km ( in cele 2 zile )
IN a doua zi a parcurs 20-6=14km.
20+14=34km a parcurs in cele doua zile
20+14=34km a parcurs in cele doua zile