Q: What is the result of 61 minus 42? A: 
Q: What is the result of 90 minus 26? A: 
Q: What is the result of 65 minus 42? A: 
Q: What is the result of 61 minus 40? A: 
Q: What is the result of 51 minus 42? A: 
Q: What is the result of 61 minus 52? A: 
Q: What is the result of 69 minus 40? A: 
Q: What is the result of 61 minus 42? A: 