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Find each sum or difference. Then use front- End estimation to check that your answers are reasonable. 516+724=
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Feb 2, 2017
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Find each sum or difference. Then use front-
End estimation to check that your answers are reasonable. 516+724=
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Khant
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The sum of 516+724 is 1240.
Pierre Besson
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Feb 3, 2017
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Pierre Besson
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the answer is 1, 240.
Pquery
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Feb 9, 2017
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