Răspuns:
Explicație pas cu pas:
a = 1, 2, 3, 4
b = 1, 2, 3, 4, 5
a/b subunitare (a < b)
1/2; 1/3; 1/4; 1/5; 2/3; 2/4; 2/5; 3/4; 3/5
a/b echiunitare (a = b)
1/1; 2/2; 3/3; 4/4
a/b supraunitare (a > b)
2/1; 3/1; 3/2; 4/1; 4/2; 4/3
