The difference between 66 and 45 is: 
The difference between 97 and 94 is: 
The difference between 68 and 45 is: 
The difference between 66 and 43 is: 
The difference between 76 and 45 is: 
The difference between 66 and 35 is: 
The difference between 70 and 49 is: 
The difference between 66 and 45 is: 