The difference between 84 and 75 is: 
The difference between 86 and 21 is: 
The difference between 89 and 75 is: 
The difference between 84 and 70 is: 
The difference between 84 and 75 is: 
The difference between 84 and 75 is: 
The difference between 89 and 70 is: 
The difference between 84 and 75 is: 