The difference between 73 and 18 is: 
The difference between 88 and 53 is: 
The difference between 79 and 18 is: 
The difference between 73 and 11 is: 
The difference between 53 and 18 is: 
The difference between 73 and 58 is: 
The difference between 75 and 10 is: 
The difference between 73 and 18 is: 