a*b = 294
(a,b)=7 => a=7m ∧ b=7n (m;n)=1 a,b-numere naturale
7m*7n=294
49mn=294 |:49
mn= 6
se face tabel si se dau valori
m n
1 6
2 3
3 2
6 1
1) m=1 =>a=7*1=7
n=6 =>b=7*6=42
2)m=2 =>a=7*2=14
n=3 =>b=7*3=21
3)m=3 =>a=7*3=21
n=2 =>b=7*2=14
4)m=6 =>a=7*6=42
n=1 =>b=7*1=7
S(x;y)={(7;42);(14;21);(21;14);(42;7)}
