Question

Mihai si Gabi au impreuna 82 timbre in colectia lor.Afla cate timbre are fiecare in colectia sa daca Mihai are cu 4mai multe decat Gabi .

Answer 1

M+G=82
M=G+4
M+M+4=82
2M+4=82
2M=82-4
2M=78
M=78/2
M=39+4
M=43
G=43-4
G=39