The difference between 47 and 29 is: 
The difference between 83 and 79 is: 
The difference between 49 and 29 is: 
The difference between 47 and 22 is: 
The difference between 47 and 29 is: 
The difference between 47 and 19 is: 
The difference between 48 and 20 is: 
The difference between 47 and 29 is: 