The difference between 89 and 88 is: 
The difference between 54 and 41 is: 
The difference between 89 and 88 is: 
The difference between 89 and 80 is: 
The difference between 99 and 88 is: 
The difference between 89 and 18 is: 
The difference between 90 and 89 is: 
The difference between 89 and 88 is: 