The difference between 98 and 87 is: 
The difference between 52 and 30 is: 
The difference between 98 and 87 is: 
The difference between 98 and 84 is: 
The difference between 98 and 87 is: 
The difference between 98 and 57 is: 
The difference between 100 and 89 is: 
The difference between 98 and 87 is: 