Q: What is 54 minus 11? A: 
Q: What is 87 minus 71? A: 
Q: What is 57 minus 11? A: 
Q: What is 54 minus 10? A: 
Q: What is 24 minus 11? A: 
Q: What is 54 minus 21? A: 
Q: What is 62 minus 19? A: 
Q: What is 54 minus 11? A: 