The difference between 80 and 59 is: 
The difference between 45 and 39 is: 
The difference between 89 and 59 is: 
The difference between 80 and 50 is: 
The difference between 70 and 59 is: 
The difference between 80 and 59 is: 
The difference between 81 and 50 is: 
The difference between 80 and 59 is: 