Răspuns :
Facem asa:Datele prin grafic:
Cop 1 : I--------I
Cop 2 : I--------I-12-I =TOATE IN TOTAL FIIND 72
Rezolvare:
1.Egalam partile:
72-12=60
2.Cate kg are primul copil?
60:2=30
3.Cate kg are al doilea copil?
30+12=42
Raspuns:30,42
Cop 1 : I--------I
Cop 2 : I--------I-12-I =TOATE IN TOTAL FIIND 72
Rezolvare:
1.Egalam partile:
72-12=60
2.Cate kg are primul copil?
60:2=30
3.Cate kg are al doilea copil?
30+12=42
Raspuns:30,42