Răspuns :
a + b = 36
a : b = 6
a = 6b
6b + b =36
7b = 36
b=36 : 7
b = 5 rest 1
......................................
a : b = 6
a = 6b
6b + b =36
7b = 36
b=36 : 7
b = 5 rest 1
......................................