The difference between 88 and 39 is: 
The difference between 90 and 14 is: 
The difference between 89 and 39 is: 
The difference between 88 and 31 is: 
The difference between 98 and 39 is: 
The difference between 88 and 29 is: 
The difference between 89 and 30 is: 
The difference between 88 and 39 is: 