The difference between 72 and 34 is: 
The difference between 74 and 67 is: 
The difference between 76 and 34 is: 
The difference between 72 and 30 is: 
The difference between 72 and 34 is: 
The difference between 72 and 54 is: 
The difference between 79 and 31 is: 
The difference between 72 and 34 is: 