The difference between 71 and 53 is: 
The difference between 43 and 39 is: 
The difference between 78 and 53 is: 
The difference between 71 and 50 is: 
The difference between 61 and 53 is: 
The difference between 71 and 43 is: 
The difference between 78 and 50 is: 
The difference between 71 and 53 is: 