The difference between 45 and 23 is: 
The difference between 73 and 30 is: 
The difference between 45 and 23 is: 
The difference between 45 and 23 is: 
The difference between 35 and 23 is: 
The difference between 45 and 23 is: 
The difference between 50 and 28 is: 
The difference between 45 and 23 is: 