1)25x45=1125(piese)-mari sint in 25 cutii.
2)25x55=1375(piese)-mici sint in 25 cutii.
3)1125+1375=2500(piese)-s-au adus in total
II
1)45+55=100(piese)-in total in fiecare cutie de acelasi fel.
2)100x250=2500(piese)-s-au adus in total.
Raspuns:In total sunt 2500 piese!