The difference between 83 and 78 is: 
The difference between 91 and 43 is: 
The difference between 89 and 78 is: 
The difference between 83 and 71 is: 
The difference between 83 and 78 is: 
The difference between 83 and 78 is: 
The difference between 85 and 70 is: 
The difference between 83 and 78 is: 