The difference between 73 and 15 is: 
The difference between 93 and 62 is: 
The difference between 79 and 15 is: 
The difference between 73 and 10 is: 
The difference between 93 and 15 is: 
The difference between 73 and 25 is: 
The difference between 78 and 10 is: 
The difference between 73 and 15 is: 