maideljerez maideljerez
  • 27-08-2017
  • Mathematics
contestada

Use rousing or compatible numbers tu estimate the sum 87+34

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realm
realm realm
  • 28-08-2017
well, it gives you a 2nd option in which you can use, compatible is a much easier word to understand and it means the two numbers are able to existur  together without conflict (google definition)

hopefully it helps?
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