The difference between 55 and 51 is: 
The difference between 98 and 86 is: 
The difference between 55 and 51 is: 
The difference between 55 and 51 is: 
The difference between 65 and 51 is: 
The difference between 55 and 11 is: 
The difference between 60 and 56 is: 
The difference between 55 and 51 is: 