The difference between 66 and 25 is: 
The difference between 57 and 49 is: 
The difference between 69 and 25 is: 
The difference between 66 and 21 is: 
The difference between 46 and 25 is: 
The difference between 66 and 35 is: 
The difference between 70 and 29 is: 
The difference between 66 and 25 is: 