The difference between 68 and 59 is: 
The difference between 80 and 28 is: 
The difference between 69 and 59 is: 
The difference between 68 and 56 is: 
The difference between 88 and 59 is: 
The difference between 68 and 39 is: 
The difference between 69 and 50 is: 
The difference between 68 and 59 is: 