15 beculete se pun in 24 de cutii
20 beculete se pun in 12cutii
1. cate beculete s-au pus in 24 de cutii ?
24x15=360 beculete
2. Cate becuculete s-au pus in 12 cutii ?
20x12=240 cutii.
3. Cate beculete au mai ramas?
700-360-240=100 beculete.
4.100 beculete se pun in 10 cutii in mod egal
100:10=10 beculete in fiecare cutie.