The difference between 73 and 35 is: 
The difference between 68 and 50 is: 
The difference between 77 and 35 is: 
The difference between 73 and 31 is: 
The difference between 63 and 35 is: 
The difference between 73 and 55 is: 
The difference between 79 and 31 is: 
The difference between 73 and 35 is: 