/...../...../...../___/___/___/___/___/ 3/8din48
/...../...../___/___/___/___/___/___/ 2/8din48
/___/___/___/___/___/___/___/___/ intregul }48lei
1) cati lei a cheltuit pe carte si minge?
3/8+2/8=5/8; 5/8din48=5(48:8)=5x6=30lei
2)cati lei i-au mai ramas corinei?
48-30=18 lei