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29 + 17

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29 + 17

46

First, add the tens digits, 20 + 10 = 30. Remember that for a moment. Now, add the one's digits, 9 + 7 = 16. Now, add the 16 to the 30 to get 46. ---- Alternately, subtract one from 17 and give it 29, so we have 30 + 16 = 46.

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