The difference between 42 and 24 is: 
The difference between 93 and 60 is: 
The difference between 49 and 24 is: 
The difference between 42 and 21 is: 
The difference between 92 and 24 is: 
The difference between 42 and 14 is: 
The difference between 49 and 21 is: 
The difference between 42 and 24 is: 