The difference between 75 and 66 is: 
The difference between 91 and 57 is: 
The difference between 79 and 66 is: 
The difference between 75 and 64 is: 
The difference between 75 and 66 is: 
The difference between 75 and 26 is: 
The difference between 79 and 60 is: 
The difference between 75 and 66 is: 