The difference between 88 and 49 is: 
The difference between 93 and 57 is: 
The difference between 89 and 49 is: 
The difference between 88 and 47 is: 
The difference between 78 and 49 is: 
The difference between 88 and 79 is: 
The difference between 89 and 40 is: 
The difference between 88 and 49 is: 