The difference between 72 and 49 is: 
The difference between 92 and 80 is: 
The difference between 79 and 49 is: 
The difference between 72 and 41 is: 
The difference between 82 and 49 is: 
The difference between 72 and 29 is: 
The difference between 79 and 46 is: 
The difference between 72 and 49 is: 