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are2 are2
  • 26-10-2015
  • Mathematics
Answered

explain how knowing 1+7 helps you find the sum for 7+1

Verified Answer :

Yunama
Yunama Yunama
  • 26-10-2015

They are exactly the same. When adding it doesn't matter what order the numbers are in.

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Anonymous Anonymous
  • 26-10-2015

Knowing 1+7 helps you find the sum of 7+1 because 1+7 and 7+1 is communitive property of addition. Also because 1+7 is the same answer as 7+1. 
Ex:
      1+7=8 
        And
       7+1=8
its the same result.

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