Răspuns :
Cati lei are ioana??672×2=1344 ;cat a cheltuit ioana?162×3=486 ; cat a cheltuit maria si ioana la un loc? 162+486=648 ; cati lei mai raman? 1344-648=696
672x2=1344lei are Ioana
162x3=486 a cheltuit Ioana
672+1344=2016au impreuna
2016-(162+486)=2016-648=1368
162x3=486 a cheltuit Ioana
672+1344=2016au impreuna
2016-(162+486)=2016-648=1368