The difference between 71 and 58 is: 
The difference between 47 and 38 is: 
The difference between 79 and 58 is: 
The difference between 71 and 50 is: 
The difference between 91 and 58 is: 
The difference between 71 and 58 is: 
The difference between 73 and 50 is: 
The difference between 71 and 58 is: 