Răspuns :
16/25; 16/36; 16/49; 16/64; 16/81
25/36; 25/49; 25/64; 25/81
36/49; 36/64; 36/81
49/64; 49/81
64/81
25/36; 25/49; 25/64; 25/81
36/49; 36/64; 36/81
49/64; 49/81
64/81
16/25, 16/49, 16/81
25/36, 25/49, 25/64, 25/81
36/49,
49/64, 49/81
64/81
25/36, 25/49, 25/64, 25/81
36/49,
49/64, 49/81
64/81