Holiday Homework Assignement:
Find the sum, using the most convenient combination: 81, 274, 119, 126.
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81 + 274 + 119 + 126
= (81 + 119) + (274 + 126)
= 200 + 400
= 600
= (81 + 119) + (274 + 126)
= 200 + 400
= 600
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