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Explain how knowing 1+7 helps you find the sum for 7+1
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4 votes
Explain how knowing 1+7 helps you find the sum for 7+1

User BumbleBee
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2 Answers

4 votes
because they equal the same thing
User Ryan Guill
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7.0k points
5 votes
1+7 and 7+1 equal the same amount. It doesn't matter which position the number is in. The sum will be 8 either ways. Hope that helps :)
User Daniel Timberlake
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