The difference between 63 and 43 is: 
The difference between 84 and 52 is: 
The difference between 67 and 43 is: 
The difference between 63 and 40 is: 
The difference between 63 and 43 is: 
The difference between 63 and 13 is: 
The difference between 63 and 44 is: 
The difference between 63 and 43 is: 