The difference between 57 and 49 is: 
The difference between 95 and 30 is: 
The difference between 59 and 49 is: 
The difference between 57 and 44 is: 
The difference between 97 and 49 is: 
The difference between 57 and 39 is: 
The difference between 59 and 41 is: 
The difference between 57 and 49 is: 