20 : 5 = (a)  

12 : 6 = ...

(a)  

25 : 5 = ...

(a)  

28 : 4 = ..

(a)  

30 : 5 = ...

(a)  

24 : 8 = ...

(a)  

32 : 4 = ...

(a)  

45 : 9 = ...

(a)  

27 : 9 = ...

(a)