Q: What is 77 minus 11? A: 
Q: What is 89 minus 79? A: 
Q: What is 72 minus 11? A: 
Q: What is 77 minus 10? A: 
Q: What is 97 minus 11? A: 
Q: What is 77 minus 61? A: 
Q: What is 83 minus 17? A: 
Q: What is 77 minus 11? A: 