The difference between 79 and 64 is: 
The difference between 54 and 51 is: 
The difference between 75 and 64 is: 
The difference between 79 and 67 is: 
The difference between 79 and 64 is: 
The difference between 79 and 24 is: 
The difference between 80 and 65 is: 
The difference between 79 and 64 is: 