The difference between 71 and 29 is: 
The difference between 92 and 33 is: 
The difference between 79 and 29 is: 
The difference between 71 and 20 is: 
The difference between 71 and 29 is: 
The difference between 71 and 39 is: 
The difference between 78 and 26 is: 
The difference between 71 and 29 is: 