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52 + 89

mastered

52 + 89

141

First, add the tens digits, 50 + 80 = 130. Remember that for a moment. Now, add the one's digits, 2 + 9 = 11. Now, add the 11 to the 130 to get 141. ---- Alternately, subtract one from 52 and give it to 89, so we have 51 + 90 = 141.

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52 + 89

52 + 89