Q: What is 83 minus 18? A: 
Q: What is 63 minus 23? A: 
Q: What is 89 minus 18? A: 
Q: What is 83 minus 11? A: 
Q: What is 73 minus 18? A: 
Q: What is 83 minus 18? A: 
Q: What is 88 minus 13? A: 
Q: What is 83 minus 18? A: 