The difference between 45 and 11 is: 
The difference between 71 and 59 is: 
The difference between 49 and 11 is: 
The difference between 45 and 13 is: 
The difference between 45 and 11 is: 
The difference between 45 and 11 is: 
The difference between 51 and 17 is: 
The difference between 45 and 11 is: 