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TIER 3 · OLYMPIAD MODE
1 / 10 questions
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Question 1 of 10
AB + 9 = BA, where A and B are digits and A + B = 3. Find A.
TIER 3 · OLYMPIAD MODE
1 / 10 questions
AB + 9 = BA, where A and B are digits and A + B = 3. Find A.