The difference between 78 and 29 is: 
The difference between 93 and 34 is: 
The difference between 79 and 29 is: 
The difference between 78 and 20 is: 
The difference between 78 and 29 is: 
The difference between 78 and 69 is: 
The difference between 79 and 20 is: 
The difference between 78 and 29 is: 