The difference between 43 and 40 is: 
The difference between 69 and 15 is: 
The difference between 43 and 40 is: 
The difference between 43 and 40 is: 
The difference between 83 and 40 is: 
The difference between 43 and 10 is: 
The difference between 52 and 49 is: 
The difference between 43 and 40 is: 