The difference between 75 and 30 is: 
The difference between 82 and 20 is: 
The difference between 76 and 30 is: 
The difference between 75 and 30 is: 
The difference between 45 and 30 is: 
The difference between 75 and 30 is: 
The difference between 83 and 38 is: 
The difference between 75 and 30 is: 