The difference between 73 and 42 is: 
The difference between 66 and 64 is: 
The difference between 78 and 42 is: 
The difference between 73 and 41 is: 
The difference between 83 and 42 is: 
The difference between 73 and 12 is: 
The difference between 80 and 49 is: 
The difference between 73 and 42 is: 