bigworm bigworm

02-03-2016
Mathematics

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which is a good comparison of the estimated sum and the actual sum of 7 9/12 + 2 11/12

Respuesta :

02-03-2016

7 + 2 = 9 and 9/12 + 11/12 = 20/12 = 1 8/12 = 1 2/3

9 + 1 2/3 = 10 2/3

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