The difference between 57 and 42 is: 
The difference between 92 and 50 is: 
The difference between 54 and 42 is: 
The difference between 57 and 40 is: 
The difference between 97 and 42 is: 
The difference between 57 and 12 is: 
The difference between 62 and 47 is: 
The difference between 57 and 42 is: 