27-10-2015
Mathematics

contestada

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

Respuesta :

27-10-2015

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

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Аноним Аноним

27-10-2015

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.

Answer Link

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