The difference between 79 and 43 is: 
The difference between 97 and 74 is: 
The difference between 78 and 43 is: 
The difference between 79 and 44 is: 
The difference between 99 and 43 is: 
The difference between 79 and 63 is: 
The difference between 84 and 48 is: 
The difference between 79 and 43 is: 