Question 1: What is 6 − 7?

Question 2: What is 6 − 10?

Question 3: What is 5 − 1?

Question 4: What is 3 − 2?

Question 5: What is 9 − 5?

Question 6: What is 7 − 4?

Question 7: What is 6 − 2?

Question 8: What is 9 − 6?

Question 9: What is 7 − 2?

Question 10: What is 1 − 2?

Question 11: What is 3 − 9?

Question 12: What is 6 − 7?

Question 13: What is 8 − 7?

Question 14: What is 7 − 3?

Question 15: What is 1 − 4?

Question 16: What is 2 − 9?

Question 17: What is 4 − 10?

Question 18: What is 6 − 8?

Question 19: What is 7 − 10?

Question 20: What is 2 − 6?

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