Q: What is 83 minus 13? A: 
Q: What is 45 minus 11? A: 
Q: What is 87 minus 13? A: 
Q: What is 83 minus 12? A: 
Q: What is 53 minus 13? A: 
Q: What is 83 minus 33? A: 
Q: What is 83 minus 19? A: 
Q: What is 83 minus 13? A: 