Question

Maria si Ionele au15 baloane.Maria are cu5baloane mai mult decat Ionela.Catebaloane are fiecare?

Answer 1

I+M=15 M=I+5 I+I+5=15 2*I=10 I=10:2 I=5 M=5+5 M=10

Answer 2

m+i=15 baloane
m=i+5
i+5+i=15
2i=15-5=10
i=10:2
i=5 baloane are ionele
m=5+5
m=10 baloane are Maria
V: 10+5=15 baloane