The difference between 29 and 26 is: 
The difference between 63 and 54 is: 
The difference between 27 and 26 is: 
The difference between 29 and 21 is: 
The difference between 39 and 26 is: 
The difference between 29 and 16 is: 
The difference between 32 and 29 is: 
The difference between 29 and 26 is: 