The difference between 71 and 69 is: 
The difference between 85 and 65 is: 
The difference between 79 and 69 is: 
The difference between 71 and 60 is: 
The difference between 81 and 69 is: 
The difference between 71 and 29 is: 
The difference between 79 and 67 is: 
The difference between 71 and 69 is: 