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davian28 davian28
  • 16-09-2015
  • Mathematics
Answered

use compatible number to estimate the sum of 428+286

Verified Answer :

madisocriok06 madisocriok06
  • 16-09-2015

428
+286
714 that is your answer

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DaBoss81 DaBoss81
  • 16-09-2015

My real answer is 712 but it estimate to 700.

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