The difference between 85 and 51 is: 
The difference between 72 and 22 is: 
The difference between 86 and 51 is: 
The difference between 85 and 50 is: 
The difference between 85 and 51 is: 
The difference between 85 and 41 is: 
The difference between 90 and 56 is: 
The difference between 85 and 51 is: 