22 - 8 = ...

(a)  

26 - 8 = ...

(a)  

32 - 3 = ...

(a)  

17 - 9 = ...

(a)  

21 - 5 = ...

(a)  

35 - 7 = ...

(a)  

33 - 9 = ...

(a)  

21 - 18 = ...

(a)  

33 - 29 = ...

(a)  

30 - 12 = ...

(a)  

32 - 25 = ...

(a)  

32 - 18 = ...

(a)  

45 - 27 = ...

(a)  

40 - 15 = ...

(a)