Q: What is 31 minus 14? A: 
Q: What is 78 minus 12? A: 
Q: What is 39 minus 14? A: 
Q: What is 31 minus 10? A: 
Q: What is 91 minus 14? A: 
Q: What is 31 minus 24? A: 
Q: What is 39 minus 12? A: 
Q: What is 31 minus 14? A: 