The difference between 71 and 56 is: 
The difference between 69 and 28 is: 
The difference between 79 and 56 is: 
The difference between 71 and 50 is: 
The difference between 61 and 56 is: 
The difference between 71 and 46 is: 
The difference between 77 and 52 is: 
The difference between 71 and 56 is: 