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

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

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User Vu Nguyen
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8.9k points

2 Answers

1 vote
They are exactly the same. When adding it doesn't matter what order the numbers are in.
answered
User Mkj
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7.9k points
4 votes
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.
answered
User Zakiyah
by
7.8k points
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