The difference between 77 and 42 is: 
The difference between 46 and 45 is: 
The difference between 77 and 42 is: 
The difference between 77 and 41 is: 
The difference between 67 and 42 is: 
The difference between 77 and 22 is: 
The difference between 80 and 45 is: 
The difference between 77 and 42 is: 