Răspuns :
[tex]\frac{3}{7} \times 56=24lei\ o \ carte[/tex]
[tex]\frac{3}{8} \times 56=21lei\ un \ caiet\\\\\\56-(24+21)=56-45=11lei\ rest[/tex]
Răspuns:
Cat costa cartea?
3/7×56=3×56:7=24 lei
Cat costa caietul?
3/8×56=3×56:8=21 lei
Cat costa cumparaturile?
24+21=45 lei
Cati bani au ramas?
56-45=11 lei