Răspuns :

a. 1 rest 1;

b. 2 rest 7;

c. 2 rest 7;

d. 25 rest 11.

a) 7: 6= 1, 1(6)7

b) 37: 15 = 2, 4(6)7

c) 25: 9= 2, (7)8

d) 311: 12= 25, 91(6)7