The difference between 75 and 51 is: 
The difference between 81 and 60 is: 
The difference between 74 and 51 is: 
The difference between 75 and 51 is: 
The difference between 65 and 51 is: 
The difference between 75 and 51 is: 
The difference between 82 and 58 is: 
The difference between 75 and 51 is: 