The difference between 51 and 45 is: 
The difference between 26 and 11 is: 
The difference between 58 and 45 is: 
The difference between 51 and 40 is: 
The difference between 71 and 45 is: 
The difference between 51 and 35 is: 
The difference between 56 and 40 is: 
The difference between 51 and 45 is: 