Mere /-----/-----/........12
portocale /-----/
mandarine /-----/-----/......12../......15../ Total 879
879 - (12+12+15) = 840 valoarea a 5 segmente egale
840:5= 168 kg portocale
mere 2*168+12= 336+12= 348 Kg
mandarine 348+15= 363 Kg
verificare 348+363+168= 879 kg