The difference between 43 and 29 is: 
The difference between 72 and 47 is: 
The difference between 49 and 29 is: 
The difference between 43 and 20 is: 
The difference between 73 and 29 is: 
The difference between 43 and 29 is: 
The difference between 49 and 25 is: 
The difference between 43 and 29 is: 