The difference between 89 and 49 is: 
The difference between 91 and 52 is: 
The difference between 89 and 49 is: 
The difference between 89 and 42 is: 
The difference between 89 and 49 is: 
The difference between 89 and 49 is: 
The difference between 81 and 44 is: 
The difference between 89 and 49 is: 