Răspunsuri

2014-11-19T13:50:34+02:00
4×3=12 Fete.5×3=15baieti.12+15=27 elevi.mod .2.(4+5)×3=27
2014-11-19T13:51:30+02:00
1)4+5=9-elevi din  fiecare clasa a 4-a

3x9=27-elevi participa
2)4x3=12-fete
5x3=15-baieti
12+15=27-elevi