The difference between 70 and 18 is: 
The difference between 55 and 22 is: 
The difference between 79 and 18 is: 
The difference between 70 and 10 is: 
The difference between 50 and 18 is: 
The difference between 70 and 18 is: 
The difference between 78 and 16 is: 
The difference between 70 and 18 is: 