The difference between 25 and 10 is: 
The difference between 87 and 68 is: 
The difference between 25 and 10 is: 
The difference between 25 and 10 is: 
The difference between 45 and 10 is: 
The difference between 25 and 10 is: 
The difference between 33 and 18 is: 
The difference between 25 and 10 is: 