The difference between 45 and 12 is: 
The difference between 94 and 81 is: 
The difference between 43 and 12 is: 
The difference between 45 and 12 is: 
The difference between 25 and 12 is: 
The difference between 45 and 32 is: 
The difference between 50 and 17 is: 
The difference between 45 and 12 is: 