Q: What is 36 minus 20? A: 
Q: What is 32 minus 26? A: 
Q: What is 38 minus 20? A: 
Q: What is 36 minus 21? A: 
Q: What is 56 minus 20? A: 
Q: What is 36 minus 10? A: 
Q: What is 45 minus 29? A: 
Q: What is 36 minus 20? A: 