Question

Maria si Ioan au impreuna 87 de baloane.Ioan are cu 5 baloane mai multe decat Maria.Cate baloane are fiecare?​

Answer 1

M+I=87

I=M+5

M+M+5=87

2xM=87-5

2xM=82

M=82:2

M=41

I=41+5

I=46