Seudónimo Seudónimo

06-09-2016
Mathematics

contestada

use rounding or compatible numbers to estimate the sum of 52 + 39

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austwill2012 austwill2012

06-09-2016

52 would turn into 50 and 39 would turn into 40. 50 + 40 = 90.

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Аноним Аноним

06-09-2016

Round 52 to 50 and 39 to 40
50+40=90

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