A B
----------------------------------/--------------------------------- am marcat jumatatea
________/_______/_______/_______/_______/ 2/5 din drum=2 segmente
____/___/___/___/___/____/___/____/___/___/ impart fiecare segment in
______________/___/ 2 parti
2/5 24
drumul=24x10=240km
mai are de parcurs 24x6=144km