The difference between 99 and 52 is: 
The difference between 97 and 18 is: 
The difference between 95 and 52 is: 
The difference between 99 and 56 is: 
The difference between 89 and 52 is: 
The difference between 99 and 62 is: 
The difference between 104 and 57 is: 
The difference between 99 and 52 is: 