The difference between 64 and 40 is: 
The difference between 89 and 46 is: 
The difference between 64 and 40 is: 
The difference between 64 and 42 is: 
The difference between 54 and 40 is: 
The difference between 64 and 10 is: 
The difference between 70 and 46 is: 
The difference between 64 and 40 is: 