The difference between 73 and 19 is: 
The difference between 91 and 45 is: 
The difference between 79 and 19 is: 
The difference between 73 and 11 is: 
The difference between 63 and 19 is: 
The difference between 73 and 59 is: 
The difference between 76 and 12 is: 
The difference between 73 and 19 is: 