The difference between 78 and 50 is: 
The difference between 83 and 12 is: 
The difference between 73 and 50 is: 
The difference between 78 and 53 is: 
The difference between 98 and 50 is: 
The difference between 78 and 50 is: 
The difference between 82 and 54 is: 
The difference between 78 and 50 is: 