The difference between 86 and 79 is: 
The difference between 98 and 50 is: 
The difference between 89 and 79 is: 
The difference between 86 and 75 is: 
The difference between 96 and 79 is: 
The difference between 86 and 19 is: 
The difference between 87 and 70 is: 
The difference between 86 and 79 is: 