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30 + 12 = 42, 12 + 12 = 24, I am not completely sure on the answer as the two subtractions can be taken in either order, either resulting in: 42 - 24 + 18, 18 - 12 = 6, or 24 - 12 = 12, 42 - 12 = 30.

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13y ago
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Q: What is 30 plus 12-12 plus 12-12?
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