Q: What is 67 minus 18? A: 
Q: What is 78 minus 44? A: 
Q: What is 69 minus 18? A: 
Q: What is 67 minus 16? A: 
Q: What is 27 minus 18? A: 
Q: What is 67 minus 38? A: 
Q: What is 69 minus 10? A: 
Q: What is 67 minus 18? A: 