Q: What is 72 minus 35? A: 
Q: What is 90 minus 14? A: 
Q: What is 79 minus 35? A: 
Q: What is 72 minus 30? A: 
Q: What is 42 minus 35? A: 
Q: What is 72 minus 45? A: 
Q: What is 78 minus 31? A: 
Q: What is 72 minus 35? A: 