The difference between 88 and 70 is: 
The difference between 81 and 28 is: 
The difference between 84 and 70 is: 
The difference between 88 and 76 is: 
The difference between 88 and 70 is: 
The difference between 88 and 30 is: 
The difference between 91 and 73 is: 
The difference between 88 and 70 is: 