The difference between 82 and 75 is: 
The difference between 49 and 31 is: 
The difference between 87 and 75 is: 
The difference between 82 and 70 is: 
The difference between 82 and 75 is: 
The difference between 82 and 45 is: 
The difference between 88 and 71 is: 
The difference between 82 and 75 is: 